# What is the instantaneous rate of change for #g(x) = x^2 − x + 4# when x=-7?

##### 1 Answer

Jan 2, 2016

#### Explanation:

Find

Use the power rule:

#g'(x)=2x^(2-1)-1x^(1-1)+0(4x^(0-1))#

#g'(x)=2x-1#

Again, find the instantaneous rate of change by computing

#g'(-7)=2(-7)-1=-14-1=-15#