Let f (x) = x2-2x-4. What is the average rate of change for the quadratic function from x=-1 to x = 4?

Question

Mathematics

Kiera Copeland

29 January, 04:31

Let f (x) = x2-2x-4. What is the average rate of change for the quadratic function from x=-1 to x = 4?

+1

Answers (1)

Know the Answer?

Lila Decker · Answer 1

The average rate of change x=-1 to x = 4 is

A = f (4) - f (-1) / 4 - (-1)

f (4) = 4²-2x4-4=16-12=4

f (-1) = 1+2-4 = - 1

f (4) - f (-1) / 4 - (-1) = 4 - (-1) / 4 - (-1) = 5/5=1

the rate of change is A=1