Answer:
10
Step-by-step explanation:
Substitute 3 for x:
f(x)= 4x-2
f(3)= 4(3)-2
f(3)= 12-2
f(3)= 10
Substitute 3 in place of x and then simplify using the order of operations.
f(3)=4x3+2
=12+2
=14
