Question

Given the following function, find f(-2), f(0), and f(4)
f(x)=3x+4
f(-2)=Blank

Answer 1

Replace x with the given numbers and solve:

f(x) = 3x +4

f(-2) = 3(-2) +4 = -6 +4 = -2

f(0) = 3(0) +4 = 0+4 = 4

f(4) = 3(4) +4 = 12 + 4 = 16