If f(x)=4x−1 and g(x)=2x+4 for all integers, which of the following is a possible value of g(f(x))?  Pick one.
A) -23
B) -17
C) 0
D) 18
E) 22
g(f(x)) = 2*f(x)+4 = 2*(4x-1)+4 = 8x+2   Of these five options, only 18 has the form 8x+2.   The answer is 18.
<result>D</result>
If f(x)=4x−1 and g(x)=2x+4 for all integers, which of the following is a possible value of g(f(x))?