Q:

The graph of a function is shown below.Which of the equations below represents this function?

Accepted Solution

A:
y = 3x - 2

The graph crosses the y-axis at -2, which means the function must end in -2. Also, for every 1 value for x increases, it increases by 3 y values. This gives it a slope of 3, which gives you the number attached to the x.