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24 March, 00:32

Use the table below of the function f (x) = x4 - 4x to answer this question:

x

f (x)

-2

24

-1

5

0

0

1

-3

2

8

What is the average rate of change from x = - 1 to x = 2?

+3
Answers (1)
  1. 24 March, 01:06
    0
    The average rate of change between - 1 and 2 is 1.

    Step-by-step explanation:

    To get this, use the two ordered pairs (-1, 5) and (2, 8). Now use the slope formula to find the rate of change.

    m (slope) = (y2 - y1) / (x2 - x1)

    m = (8 - 5) / (2 - - 1)

    m = 3/3

    m = 1
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