If f(x) = x/2 - 3 and g(x) = 4x^2 + x - 4, find (f + g)(x)

(f+g)(x) = f(x) + g(x)

Now all you have to do is plug in the equations:

(x/2-3) + (4x^2 + x -4)

Combine like terms:

3x/2-7+4x^2

This is equal to the third equation, so the answer is:

C

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