college algebra

The average rate of change of g(x) = 2x-1 from x = 2 to x = 6 is 7.5.
true or false

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  1. g ( 2 ) = 2 * 2 - 1 = 4 - 1 = 3

    g ( 6 ) = 2 * 6 - 1 = 12 - 1 = 11

    11 - 3 = 8

    6 - 2 = 4

    8 / 4 = 2

    False

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  2. No calculations are necessary.

    The function is linear, so the rate of change is constant, namely its slope which is 2

    so the average rate of change is 2 , not 7.5

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