Question

I have a question but I have to take a picture of it so you will understand

Answer 1

First find the rate of change

$\begin{gathered} \text{Rate of change = }\frac{45\text{ - 36}}{5\text{ - }4} \\ =\text{ }\frac{9}{1} \\ =9 \end{gathered}$

y = mx + c

m = 9 and c = 0

y = 9x