What is the average rate of change for this function for interval from x=7 to x=8

What kinds of numbers have an odd number of factors?

Answer this question, only if you know the answer. 30 points and brainliest!

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground