# How do you find the derivative of the function #f(x)=-2x^-3+x^2-7#?

##### 1 Answer

Feb 2, 2016

# 6x^-4 + 2x #

#### Explanation:

using the 'power rule'

If f(x

#) = ax^n# then

# f'(x) = nax^(n-1) # this is then applied to each term in the function.

# f'(x) = (-3)(-2)x^-4 + 2.1 x+ 0# ( the derivative of a constant term is 0 )