1. A quadratic function is given. f ( x ) = 3 x 2 − x + 6 What is f (2)? F 40 H 16 G 28 J 4.

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Presentation transcript:

1. A quadratic function is given. f ( x ) = 3 x 2 − x + 6 What is f (2)? F 40 H 16 G 28 J 4

2.

3. A rectangle has a length of 2 x + 1 and a width of 5 x − 4. Which expression best describes the area of the rectangle? F 7 x − 3 H 10 x 2 − 3 x − 4 G 14 x − 6 J 10 x x − 4

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8. Troy borrowed money from his father so that he could buy a used car. The table shows the remaining balance, b, of Troy’s loan after each payment. Which function can be used to describe this relationship? A b = p B b = 4135 − 225 p C b = p D b = 3685 − 225 p

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10. Which of the following are the domain and range for the graph shown below? A 0 ≤ x ≤ 4 0 ≤ y < 36 B 0 ≤ x ≤ ≤ y ≤ 3.5 C 0.5 < x < < y < 36 D 0.5 ≤ x ≤ ≤ y ≤ 36

11. Which situation could this graph best represent? A A boy ran for 10 minutes, rested on a bench for 15minutes, and then ran for 10 more minutes. B A boy ran for 10 minutes, walked for 15 minutes, and then ran for 10 more minutes. C A boy ran for 10 minutes, rested on a bench for 15 minutes, and then walked for 10 more minutes. D A boy walked for 10 minutes, ran for 15 minutes, and then walked for 10 more minutes.

12. Matt is a speed skater. His coach recorded the following data during a timed practice period. If Matt continues to skate at the rate shown in the table, what is the approximate distance in meters he will skate in 25 seconds? A 250 m B 175 m C 150 m D 278 m

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