Raphael graphed the functions g⁡(x)=x+2 and f⁡(x)=x−1. How many units below the y-intercept of g⁡(x) is the y-intercept of f⁡(x)? Open image in full-screen view

The y-intercept is the value of the function when x = 0. For g(x) = x + 2, the y-intercept is 2; for f(x) = x − 1, it is −1. The y-intercept of f is 2 − (−1) = 3 units below the y-intercept of g, so the answer is 3 units.

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