Problem:

Consider the polynomial function $\displaystyle f(x) = 3x^5-25x^3+60x

$

a) Determine the X and Y intercepts.

b) Determine the coordinates and nature of the critical points.

c) Determine the coordinates of the points of inflection.

d)Graph the function.

e)State the intervals of increase and decrease.

f)State the intervals of concavity.

Comments:

Please help me! This question is extremely important!!