Functions · S2
Linear functions
Question 1/8+12 XP
For f(x)=−5x+7: calculate f(1).
Linear functionf(x) = −5x + 7
graph of fΔx (run)Δy (rise)y-interceptgiven point P
The line meets the y-axis at 7. From there 1 to the right and 5 down: that ratio is the slope m = −5.