Answer:
f(x) = 5x - 12
Let's plug in 2.
f(2) = 5(2) - 12
Let's simplify.
f(2) = 10 - 12
f(2) = -2
f(x) = 38
Step-by-step work: f(x) = 5x-22 x=12
f(12) = 5(12)-22
12*5= 60
f(12)=60-22
60-22=38
f(12)=38
