Functions · S1

Proportional functions

Question 1/8+12 XP

A proportional relationship has a rate of 12 per unit. What value corresponds to 9 units?

Linear functionf(x) = 12x

graph of fΔx (run)Δy (rise)y-intercept

The line meets the y-axis at 0. From there 1 to the right and 12 up: that ratio is the slope m = 12.

Your answer