Question

What is the equation of the function that is graphed as line a?

Answer 1

B

Explanation:

We see that the line intersects the y-axis at -1. As a result, we need to choose an equation with -1, either B or C. We see that the different is the slope. For choice B, the slope is
`(1)/(3)`, meaning that every unit up equates to 3 blocks to the right. Counting along the line, we see that this is correct.