Question

Use the image to answer the question.

A coordinate plane shows a curve labeled f of x. The x-axis ranges from negative 3 to 3 in 1-unit increments. The y-axis ranges from negative 12 to 10 in increments of 2. 2 points are marked on the curve.
▶Click for Long Desc

Calculate the average rate of change over the interval [−1,1]
using the given graph of the function.

(1 point)
The average rate of change is
.

Answer 1

I can't see the image you mentioned. To compute the average rate of change over [−1,1] you need f(−1) and f(1). The formula is

average rate = [f(1) − f(−1)] / (1 − (−1)) = [f(1) − f(−1)] / 2.

Tell me the y-values of the two marked points (the function values at x = −1 and x = 1) or re-upload the image and I will compute the numerical answer.