Functions · S1
Connect table, graph and formula
Question 1/8+12 XP
For f(x)=−5x+1: calculate f(3).
Linear functionf(x) = −5x + 1
graph of fΔx (run)Δy (rise)y-interceptgiven point P
The line meets the y-axis at 1. From there 1 to the right and 5 down: that ratio is the slope m = −5.