Question

Find the rate of change in the expression please help

Answer 1

Given:

The points are (1,9.5), (2,12), (3,14.5), (4,17).

To find:

The rate of change in the expression.

Solution:

Clearly the value of y increasing with respect to x by a constant rate.

Formula of rate of change is

`m=(y_2-y_1)/(x_2-x_1)`

Consider the any two points from the expression (1,9.5) and (2,12).

`m=(12-9.5)/(2-1)`

`m=(2.5)/(1)`

`m=2.5`

Therefore, the rate of change is 2.5.