Pre-Calc Help

A few of the questions have multiple choice answers. Make sure to pay attention.

1. Determine the slope of the line through the points (9, -5) and (7, -5).

2. Write a slope-intercept equation for a line with slope 2/3 which passes through the point (-5, 9).

3. Find the midpoint of the segment with endpoints (–7, 8) and (12, -3).

4. Find the domain of the function

5. Find the exact solutions: x2 – 3x + 6 = 0

6. Given f (x) = x - 5 and g(x) = -2x2+ 4, find the composite function and simplify

7. For the function f (x) = x2 - 7x - 5, find the vertex.

8. Solve and express the answer in interval notation: | 9 – 2x | ≥ -6

9. Solve:

10. Find all vertical asymptotes for the rational function

11. Find all of the zeros of the polynomial f(x) = 3x3 - 2x2 – 3x + 2

12. Solve:

13. Given the function f(x) = -6x + 13, find an equation for the inverse function.

14. Which of the following describes the end behavior of the graph of the function

f(x) = -5x2 + x3 + x + 7?

A. Downward to the left and upward to the right

B. Upward to the left and downward to the right

C. Upward to the left and upward to the right

D. Downward to the left and downward to the right

15. Which of the functions corresponds to the graph?

A.

B.

C.

D.