Answers to the Review Questions

for Test #3

 

1. a) odd    b) even    c) neither

2.  N/A

3.  N/A

4. a) 

    b)

5.  Vertex: (3/4, 6);  max = 6 at x = 3/4

6.

         

7.  Proof: Assume f(a) = f(b), so:

                                                   

8.  You prove them:

         

9.  f(2) = 5 and f(3) = -5

10. N/A

11. 

12. 

13.  f(x) = (x+3)(x-3)(x-5)x

14.  Rational Roots: x = -2, -2/3

15.  Graphs N/A

     a) Y-intercept: y=0; X-intercept: x=0; Vertical Asymptotes: x= -2; Horizontal Asymptotes: y= -3

      b) Y-intercept: y = 3/2; X-intercept: x = -3,2; Vertical Asymptotes: x= 1,-4; Horizontal Asymptotes: y= -1