Hello!
First, let's set up an equation. The starting point is 36 inches, so that's going to be our y-intercept. Since she grows 4 inches every year, 4 will be our slope.
y=mx+b is the slope-intercept equation. By plugging in the numbers to the equation, we can easily find our answer.
4x+36 is our equation. Plug in 3 for the x (to represent the number of years) and you will get 4(3)+36= 48.
The answer is 48.
Feel free to rate my answer. A Brainliest (5 stars) is much appreciated.
