Math
posted by Trisha .
Perform the indicated operations with the following two functions.
f(x)=x2 +7x4 and g(x)=3x12
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 liketerms.