1 Answer

Michael Davies · Answer 1 · 2023-01-31T12:32:33+0000

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

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

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