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14 votes
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Average rate of change [9,49] [25,81] with chart

Average rate of change [9,49] [25,81] with chart-example-1
User Cvanbeek
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1 Answer

19 votes
19 votes

Over [9, 49], the average rate of change of g(x) is


(g(49) - g(9))/(49 - 9) = (14 - 6)/(49 - 9) = \frac8{40} = \boxed{\frac15}

Over [25, 81], it would be


(g(81) - g(25))/(81 - 25) = (18 - 10)/(81 - 25) = \frac8{56} = \boxed{\frac17}

User Kansuler
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