Question

x y
-1 -3
0 -1
2 3

Answer 1

thats a chart

Answer 2

find the average rate of change for the given function from x=-1 to x=2

Answer 3

@ranga

Answer 4

average rate of change for the given function from x=-1 to x=2:
= { f(2) - f(-1) } / { 2 - (-1) } = (3 - (-3)) / 3 = 6 / 3 = 2