Question

Use the table below to answer this question: Find the average rate of change for the given function from x = −1 to x = 5.

x y
-1 7
3 3
5 1

A.-6
B.-1
C.1
D.6

Answer 1

Average rate = $\frac{y_{2} - y_{1} }{x_{2} - x_{1}  } = \frac{1-7}{5-(-1)}  = \frac{-6}{6} = -1$

Hence answer option is B