# Calculus

posted by
**Anonymous** on
.

Let f(x)=3x^4-2x^2+3

a) find f'(x)

Answer: f'(x)=12x^3-4x

b) find the slope of the line tangent to the graph of f at x=3.

Answer:312

So I got those firs two right but what I need help with is part C which is

c) find an equation of the line tangent to the graph of f at x=3