Answer: The average rate of change from (-3,5) is 4.
Step-by-step explanation: This question is incomplete there a function is needed
So, suppose f(x) = 2x²-5
Given that, x= -3 to x= -5
let a = -3 and b=5
F(a) = F(-3) = 2(-3)²-5 = 13
F(b) = F(5) = 2(5)² -5 = 45