Question

The question ask "Find the rate of change"I got 3 is that the right answer or wrong?

Answer 1

To find the rate of change, use the formula below;

`\text{rate of change =}(y_2-y_1)/(x_2-x_1)`

Pick two point and locate its coordinate

(1, 9) and (2, 18)

x₁ = 1 y₁ = 9

x₂= 2 y₂ = 18

substitute the value in the formula

`\text{rate of change =}(18-9)/(2-1)`

`=9`