### Home > PCT > Chapter Ch9 > Lesson 9.1.4 > Problem 9-54

9-54.

Given the function *f*(*x*) = *x*^{2} + 3*x* + 2, show that the average rate of change between the points *x* = 4 and *x* = 4 + *h* is 11 + *h*. Homework Help ✎

Most errors occur distributing the negative sign in the numerator.