f(x)=x^2

g(x)=2x+1

f(x) = x^(2)
g(x) = (3 * x) + 1
h(x) = f(x) + g(x)
p(x) = f(x) - g(x)
q(x) = (f(x) * g(x))
r(x) = f(x) / g(x)