given f(0)=3, we know the y intercept (when x equals 0) is 3 We then want to find the slope We will use the slope formula m = (y2 - y1)/(x2 - x1) m = (-7-3)/(2-0) m = -10/2 m = -5 We can now plug in our slop and y-intercept into our slope-intercept form y=mx+b y = -5x + 3
