In 2003, the population of an African country was about 7.8 million people, which is 1 million more than 4 times the population in 1950.

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

For which pair of functions is (gof)(a)=|a|-2?

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