Test: SAT Math

1.

F(x) = x^{3} + x^{2} - x + 2 

and

G(x) = x^{2} + 5  

What is ?

(FG)(x) = x^{5} + x^{4} - x^{3} + 2x^{2} - 5x -10

(FG)(x) = x^{3} + 2x^{2} - x + 7

(FG)(x) = x^{5} + x^{4} +4x^{3} + 7x^{2} - 5x +10

(FG)(x) = x^{5} + x^{4} - x - 2

(FG)(x) = x^{3} - x - 3

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