Question

What is the rate of change for the function (1,15) and (3,45)

Answer 1

the rate of change is 15

Explanation:

(1, 15)

(3, 45)

now we need to find 2

if the rate is 15, 2 should be 30

1, 15

+1, +15

2, 30

+1, +15

3, 45

the rate of change is 15