what are four operations that are used to combine functions? Like terms are terms whose _______________ and _______________ are the same. What are the missing words? Whats the answer to f(x) = 3x + 7 and g(x) = 3{x^3} + 5{x^2} - 7x + 2 Find (f + g)(x) , as well as f(x)=3x+7 and g(x) = 3{x^3} + 5{x^2} - 7x + 2 Find (f - g)(x) , plus f(x)=x3 and g(x) = - 2x + 5 Find (f + g)(x) ?? Which operations are commutative for functions? Subtraction, division, subtraction, and / or addition.