Subtracting Polynomial Functions
If f(x) = x3 - x2 + 2x + 4 and g(x) = 5x + 7, what is g(x) - f(x)?
A
-x3 + x2 + 3x + 3
B
x3 - x2 - 3x - 3
C
-x3 - x2 - 3x + 11
D
x3 + x2 - 3x - 3
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x3 - x2 - 3x - 3
-x3 - x2 - 3x + 11
x3 + x2 - 3x - 3