Question

F(x)= 4x - 2, What is f(3)=

Answer 1

Substitute 3 in place of x and then simplify using the order of operations.

f(3)=4x3+2

=12+2

=14

Answer 2

10

Explanation:

Substitute 3 for x:

f(x)= 4x-2

f(3)= 4(3)-2

f(3)= 12-2

f(3)= 10