Answer:
20
Step-by-step explanation:
6(4) - 4 = 20
f(4) = 20
f(x) = 6x - 4
^This is the equation you were given. You need to find f(4). This means that you plug in the number wherever there is an x.
f(4) = 6(4) - 4
f(4) = 24 - 4
Your answer is 20.
