Question

Given f(x) = 4x + 2, find f(x + 3).

O f(x + 3) = x + 5
O f(x + 3) = 4x2 + 14x + 6
O f(x + 3) = 4x + 14
O f(x + 3) = 4x + 5

Answer 1

f(x)=4x+2

f(x+3) means substitute x as (x+3)

f(x+3)=4(x+3) +2

= 4x + 12 + 2

=4x+14.

OPTION C IS LEGIT

Answer 2

f(x+3) = 4x + 14

Explanation:

f(x+3) = 4(x+3) + 2

f(x+3) = 4x + 12 + 2

f(x+3) = 4x + 14

hope this helps!