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4 March, 15:06

20. Determine the rate of change for the following equation on the given interval.

f (x) = 2x + 7 on the interval - 2 < (underlined) x < (underlined) 3

A) 2

B) - 2

C) 10

D) - 10

+4
Answers (2)
  1. 4 March, 16:55
    0
    -2
    -4<2x<6 | + 7

    3< 2x+7< 13

    3<10<13

    The answer is C
  2. 4 March, 17:11
    0
    The equation is of a line so the rate of change is the same all along it. The rate of change is just the slope of the line = 2.
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