The graph shows the function f(x).
What is the function's average rate of change from z=-1 to x
= 27
Enter your answer, as a simplified fraction, in the boxes.
![The graph shows the function fx What is the functions average rate of change from z1 to x 27 Enter your answer as a simplified fraction in the boxes class=](https://us-static.z-dn.net/files/d11/2ca14f2c5c1ce1906fb78983acf082a9.png)