If f(x)=4x−1 and g(x)=2x+2 for all integers, which of the following is a possible value of g(f(x))?  Answers:
A) -23	B) -17	C) 2	D) 16	E) 20
g(f(x)) = 2*f(x)+2 = 2*(4x-1)+2 = 8x   Of these five options, only 16 has the form 8x.   The answer is 16.2*(4 -1)+2= 
<gadget id="calculator">2*(4 -1)+2</gadget>
<output>8</output>
8x   Of these five options, only 16 has the form 8x.   The answer is 16.
<result>D</result>
If f(x)=4x−1 and g(x)=2x+2 for all integers, which of the following is a possible value of g(f(x))?