Let f(x) = 4x 3 and h(x) = -5x +7 Find the indicated values



Let f(x) = 4x ( 3 and h(x) = -5x +7 Find the indicated values.

15.) f(x) when x = 6 16.) h(x) when x = -5 17.) x when f(x) = -15

18.) x when h(x) = -13 19.) f(-3) 20.) f(5) (h(0)

Graph each function.

21.) h(x) = 2x ( 3 22.) f(x) = -x +2

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31. Below is a table of values for the speed of a car.

|Time(Seconds) |Speed (Miles Per Hour) |

|0 |40 |

|4 |34 |

|6 |31 |

|12 |22 |

|16 |16 |

A. Produce a graph from the table of values

B. Find the slope of the graph. What does the slope tell us about the car?

C. Find the y-intercept of the graph and tell what that represents for the car.

D. Find the equation for the speed of the car and use it to predict when the car will stop.

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