a. On what interval(s) is the graph concave up?

b. On what interval(s) is the graph concave
down?

c. On what interval(s) is the graph increasing?

d. On what interval(s) is the graph decreasing?

e. Find the zeros of the function.

f. Find the y-intercept of the function.

a On what intervals is the graph concave up b On what intervals is the graph concave down c On what intervals is the graph increasing d On what intervals is the class=