Quick answer i
ill give the first person 20 pts andbr />

What is the standard form of -5x^2+2x^4-11+x^3+3x

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.