Match each combined function with the expression that represents it.
f(x) = 2x + 40
g(x) = 2x +31
h(x) = x² + 3x - 5
/(x)=-3x - 12
k(x) = 3(2)*-7
f(x) - g(x)
f(x)/(x)
h(x) + f(x)
k(x) · g(x)
-6x²-144x-480 xưa58735
-2x + 2x +9
xét5X+45 3(4)*+100(2) 217
-
3(4)*+86(2) 217