Question

Use the image to answer the question.

A coordinate plane shows a curve labeled f of x. The x-axis ranges from negative 1 to 5 in 1-unit increments. The y-axis ranges from negative 2 to 30 in increments of 2. 2 points are marked on the curve.
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Calculate the average rate of change over the interval [3,4]
of the given graph of the function.

(1 point)

8

116


16

−16

Answer 1

The marked points are (3, 8) and (4, 24). The average rate of change = (f(4) − f(3)) / (4 − 3) = (24 − 8)/1 = 16.