Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^2 in the sum f(x) + g(x)?
f(x) = x^3 + 3x ^2 + 4x - 7
g(x) = -7x^4 + 5x^3 + x^2 - 7
I am guessing it is 3 + 1 = 4?