Perform the indicated operations with the following two functions.
f(x)=x2 +7x-4 and g(x)=3x-12
3. f(x) + g(x)
4. f(x), g(x)≠ 0 g(x)
thanks for the help!
3. F(x)+g(x)=(x^2 + 7x - 4) + (3x - 12)
= X^2 + 10x - 16.
4. F(x) * g(x)=(x^2 + 7x - 4)(3x - 12) =
Multiply and combine like-terms.