please help me math

Question

What is the average rate of change for the function g(x) between 3 and 7? Show your work.

g(x)=8x^2-7x+2

Answer 1

What is the average rate of change for the function g(x) between 3 and 7? Show your work.

g(x)=8x^2-7x+2

= [g(7) - g(3)] / (7-3)

g(7) = 8(7^2) - 7x7 + 2 = 345

g(3) = 8(3^2) - 7x3 +2 = 53

Ave Rate of Change = (345 - 53)/(7-3) = 73