Calculus Derivatives Graph

QI) y=x^4-20x^2+36

QII) y=(4-x^2)/(x^2-9)

QIII) y=cos(2x)sin(2x)              [0,2pi]

Graph and Find the:

1 domain 

2 x-intercept

3 y-intercept

4 Periodicity

5 Symmetry

6 Vertical asymptotes, if so demonstrate limits

7 horizontal asymptotes, if so demonstrate limits

8 Slope Critical values

9 Increasing 

10 Maxima

11 Minima

12 Concavity Critical values

13 Concave Up

14 Concave down

15 Points of Inflection

Note:All the work should be on derivatives