Chapter 4 - An Introduction to Functions - 4-3 Patterns and Nonlinear Functions - Lesson Check - Page 249: 2

$y=3x-2$

From the first coordinate, we can see the y-intercept is $-2.$ Then to find the slope, we can do rise-over-run between the first and second coordinates $\frac{1-(-2)}{1-0} = \frac{3}{1} = 3.$ Now we plug those values into $y=mx+b$ to find $y=3x-2$