SOLUTION: if f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ? a 2x -7 b 8x+3 c 2x+9 d 2x^2 + 5x + 4 e cannot be determined

Algebra ->  Functions -> SOLUTION: if f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ? a 2x -7 b 8x+3 c 2x+9 d 2x^2 + 5x + 4 e cannot be determined      Log On


   



Question 252531: if f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ?
a 2x -7 b 8x+3 c 2x+9 d 2x^2 + 5x + 4 e cannot be determined

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ?
2(x+4)=2x+8 so g(x)=2x-7 in order to get 2x+1
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Ed