Question

What is the average rate of change of the function f given by `f(x)=x^4-5x` on the closed interval [0,3]?

Answer 1

It is 22.

The average rate of change of a function, `f` on the inteval `[0,3]` is `(f(3)-f(0))/(3-0)` Which in this case, is `((81-15)-(0))/(3-0)=66/3=22`.