SAT: Function Question

March 19, 2013 Ivy Zone

If f(x) = 2x^2 and g(x) = 5x + 1, what is g(f(x)) ?

 

(A) 7x^2 + 1
(B) 7x^3 + 1
(C) 50x^2 + 20x + 2
(D) 10x^2 + 1
(E) 10x^3 + 2×2


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