# calculus

posted by
**cheech**
.

If f(x)=4x^(5/2), find f'(4)

Use this to find the equation of the tangent line to the curve y=4x^(5/2) at the point (4,f(4)) . The equation of this tangent line can be written in the form y=mx+b where m is______ and where b is _____