How do you compare whole numbers through millions

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Match the one-to-one functions with the graphs of their inverse functions.