As it is given that f(x) = x + 3;
g(x) = 2x^2 - 4
find (f*g) = ?
solution: multiply both the function and then rearrange them to get the final answer
f*g = 2x^3 -4x +6x^2-12
= 2x^3 + 6x^2 -4x -12
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