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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x2-1 Graph the function f by starting with the graph of y = x<sup>2</sup> and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x<sup>2</sup>-1   A)    B)    C)    D)


A)
Graph the function f by starting with the graph of y = x<sup>2</sup> and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x<sup>2</sup>-1   A)    B)    C)    D)
B)
Graph the function f by starting with the graph of y = x<sup>2</sup> and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x<sup>2</sup>-1   A)    B)    C)    D)
C)
Graph the function f by starting with the graph of y = x<sup>2</sup> and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x<sup>2</sup>-1   A)    B)    C)    D)
D)
Graph the function f by starting with the graph of y = x<sup>2</sup> and using transformations (shifting, compressing, stretching, and/or reflection) . -f(x) =x<sup>2</sup>-1   A)    B)    C)    D)

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Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function. - h(x) =x2+5x50h ( x ) = x ^ { 2 } + 5 x - 50


A) x = -10, x = 5
B) x = 10, x = 5
C) x = 10, x = -5
D) x = -10, x = 1

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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary. -Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary. -Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.    A)  y = 11.7 + 1.02x B)  y = 92.3 - 0.669x C)  y = -47.3 + 2.02x D)  y = 2.81 + 1.35x


A) y = 11.7 + 1.02x
B) y = 92.3 - 0.669x
C) y = -47.3 + 2.02x
D) y = 2.81 + 1.35x

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Find the real zeros of the function. List the x-intercepts of the graph of the function. - f(x) =x416f ( x ) = x ^ { 4 } - 16


A) x=4,x=4x = - 4 , x = 4
B) x=2,x=2x = - \sqrt { 2 } , x = \sqrt { 2 }
C) x=2,x=2x = - 2 , x = 2
D) no real solution

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Use a graphing calculator to plot the data and find the quadratic function of best fit. -The number of housing starts in one beachside community remained fairly level until 1992 and then began to increase. The following data shows the number of housing starts since 1992 (x = 1) . Use a graphing calculator to Plot a scatter diagram. What is the quadratic function of best fit?  Year, x  Housing Starts, H 12002205321042405245623072208210\begin{array} { l | l } \text { Year, x } & \text { Housing Starts, H } \\\hline 1 & 200 \\2 & 205 \\3 & 210 \\4 & 240 \\5 & 245 \\6 & 230 \\7 & 220 \\8 & 210\end{array}


A) H(x) = -2.679x2 + 26.607x - 168.571
B) H(x) = -2.679x2 + 26.607x + 168.571
C) H(x) = 2.679x2 + 26.607x + 168.571
D) H(x) = -2.679x2 - 26.607x + 168.571

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Determine the domain and the range of the function. - f(x) =x24x+5f ( x ) = - x ^ { 2 } - 4 x + 5


A) domain: {x|x ≤-2}
B) domain: all real numbers range: {y|y ≤9} range: {y|y ≤-9}
C) domain: {x|x ≤-2}.
D) domain: all real numbers range: {y|y ≤-9} range: {y|y ≤9}

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Solve f(x) = g(x) . Find the points of intersection of the graphs of the two functions. - f(x) =x212x+27g(x) =2x212x+18\begin{array} { l } f ( x ) = x ^ { 2 } - 12 x + 27 \\g ( x ) = 2 x ^ { 2 } - 12 x + 18\end{array}


A) x=3,x=3x = 3 , x = - 3
B) x=13,x=3x = \frac { 1 } { 3 } , x = - 3
C) x=102,x=102x = - \frac { \sqrt { 10 } } { 2 } , x = \frac { \sqrt { 10 } } { 2 }
D) x=182,x=182x = - \frac { \sqrt { 18 } } { 2 } , x = \frac { \sqrt { 18 } } { 2 }

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Use the slope and y-intercept to graph the linear function. -f(x) =-3 Use the slope and y-intercept to graph the linear function. -f(x) =-3   A)    B)    C)    D)


A)
Use the slope and y-intercept to graph the linear function. -f(x) =-3   A)    B)    C)    D)
B)
Use the slope and y-intercept to graph the linear function. -f(x) =-3   A)    B)    C)    D)
C)
Use the slope and y-intercept to graph the linear function. -f(x) =-3   A)    B)    C)    D)
D)
Use the slope and y-intercept to graph the linear function. -f(x) =-3   A)    B)    C)    D)

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Solve the problem. -Northwest Molded molds plastic handles which cost $0.50 per handle to mold. The fixed cost to run the molding machine is $7200 per week. If the company sells the handles for $3.50 each, how many handles must be Molded and sold weekly to break even?


A) 1800 handles
B) 14,400 handles
C) 1600 handles
D) 2400 handles

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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary. - x2426283032y1513201624\begin{array} { l | c c c c c } \mathrm { x } & 24 & 26 & 28 & 30 & 32 \\\hline \mathrm { y } & 15 & 13 & 20 & 16 & 24\end{array}


A) y = 1.05x + 11.8
B) y = 1.05x - 11.8
C) y = 0.95x - 11.8
D) y = 0.95x + 11.8

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Find the zero of the linear function. -f(x) = x + 8


A) 8
B) 0
C) -8
D) 16

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Determine the quadratic function whose graph is given. - Determine the quadratic function whose graph is given. -  Vertex:  ( 1,4 )    y -intercept:  ( 0,3 )   A)   f ( x )  = x ^ { 2 } - 4 x + 3  B)   f ( x )  = - x ^ { 2 } + 2 x - 3  C)   f ( x )  = - x ^ { 2 } - 4 x + 3  D)   f ( x )  = - x ^ { 2 } + 2 x + 3 Vertex: (1,4) ( 1,4 ) yy -intercept: (0,3) ( 0,3 )


A) f(x) =x24x+3f ( x ) = x ^ { 2 } - 4 x + 3
B) f(x) =x2+2x3f ( x ) = - x ^ { 2 } + 2 x - 3
C) f(x) =x24x+3f ( x ) = - x ^ { 2 } - 4 x + 3
D) f(x) =x2+2x+3f ( x ) = - x ^ { 2 } + 2 x + 3

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Determine if the type of relation is linear, nonlinear, or none. -Determine if the type of relation is linear, nonlinear, or none. -  A)  none B)  nonlinear C)  linear


A) none
B) nonlinear
C) linear

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Solve the problem. -If an object is dropped off of a tower, the velocity, V, of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Express V as a linear function of t.


A) V(t) = 42t
B) V(t) = 32 + 10t
C) V(t) = 32t + 10  D)  V(t) =t1032\text { D) } V ( t ) = \frac { t - 10 } { 32 }

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Solve the problem. -The following data represents the amount of money Tom is saving each month since he graduated from college.  month 1234567 savings $52$70$81$91$102$118$132\begin{array} { l | c c c c c c c } \text { month } & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\\hline \text { savings } & \$ 52 & \$ 70 & \$ 81 & \$ 91 & \$ 102 & \$ 118 & \$ 132\end{array} Using the line of best fit for the data set, predict the amount he will save in the 24th month after graduating from college.

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Find the zero of the linear function. -g(x) = -x + 2


A) 0
B) -4
C) -2
D) 2

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Find the vertex and axis of symmetry of the graph of the function. -f(x) =-x2-4x+3  Find the vertex and axis of symmetry of the graph of the function. -f(x)  =-x<sup>2</sup>-4x+3     A)  vertex  ( 2,1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0 , - 3 )     B)  vertex  ( - 2 , - 1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0,3 )     C)  vertex  ( 2 , - 1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0,3 )     D)  vertex  ( - 2,1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0 , - 3 )


A) vertex (2,1) ( 2,1 )
intercepts (1,0) ,(3,0) ,(0,3) ( 1,0 ) , ( 3,0 ) , ( 0 , - 3 )
 Find the vertex and axis of symmetry of the graph of the function. -f(x)  =-x<sup>2</sup>-4x+3     A)  vertex  ( 2,1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0 , - 3 )     B)  vertex  ( - 2 , - 1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0,3 )     C)  vertex  ( 2 , - 1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0,3 )     D)  vertex  ( - 2,1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0 , - 3 )
B) vertex (2,1) ( - 2 , - 1 )
intercepts (1,0) ,(3,0) ,(0,3) ( - 1,0 ) , ( - 3,0 ) , ( 0,3 )
 Find the vertex and axis of symmetry of the graph of the function. -f(x)  =-x<sup>2</sup>-4x+3     A)  vertex  ( 2,1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0 , - 3 )     B)  vertex  ( - 2 , - 1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0,3 )     C)  vertex  ( 2 , - 1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0,3 )     D)  vertex  ( - 2,1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0 , - 3 )
C) vertex (2,1) ( 2 , - 1 )
intercepts (1,0) ,(3,0) ,(0,3) ( 1,0 ) , ( 3,0 ) , ( 0,3 )
 Find the vertex and axis of symmetry of the graph of the function. -f(x)  =-x<sup>2</sup>-4x+3     A)  vertex  ( 2,1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0 , - 3 )     B)  vertex  ( - 2 , - 1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0,3 )     C)  vertex  ( 2 , - 1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0,3 )     D)  vertex  ( - 2,1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0 , - 3 )
D) vertex (2,1) ( - 2,1 )
intercepts (1,0) ,(3,0) ,(0,3) ( - 1,0 ) , ( - 3,0 ) , ( 0 , - 3 )
 Find the vertex and axis of symmetry of the graph of the function. -f(x)  =-x<sup>2</sup>-4x+3     A)  vertex  ( 2,1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0 , - 3 )     B)  vertex  ( - 2 , - 1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0,3 )     C)  vertex  ( 2 , - 1 )   intercepts  ( 1,0 )  , ( 3,0 )  , ( 0,3 )     D)  vertex  ( - 2,1 )   intercepts  ( - 1,0 )  , ( - 3,0 )  , ( 0 , - 3 )

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Determine the domain and the range of the function. - f(x) =x210xf ( x ) = - x ^ { 2 } - 10 x


A) domain: {x|x≤5}
B) domain: all real numbers range: {y|y ≤25} range: {y|y ≤25}
C) domain: all real numbers
D) domain: {x|x ≤-5} range: {y|y ≤-25} range: {y|y ≤25}

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Solve the problem. -A lumber yard has fixed costs of $1384.90 per day and variable costs of $0.56 per board-foot produced. Lumber sells for $1.66 per board-foot. How many board-feet must be produced and sold daily to break even?


A) 623 board-feet
B) 2473 board-feet
C) 1259 board-feet
D) 839 board-feet

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Use a graphing calculator to plot the data and find the quadratic function of best fit. -A rock is dropped from a tall building and its distance (in feet) below the point of release is recorded as accurately as possible at various times after the moment of release. The results are shown in the table. Find the Regression equation of the best model. x (seconds after release)  123456y (distance in feet)  1663146255403572\begin{array} { l | l l l l l l } \mathrm { x } \text { (seconds after release) } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \mathrm { y } \text { (distance in feet) } & 16 & 63 & 146 & 255 & 403 & 572\end{array}


A) y = 15.95x2
B) y = 13.0 e0.686x
C) y = -74.9 + 290 lnx
D) y = - 148.4 + 112x

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