For the function f(x) = 2x^2 +2x, evaluate and simplify

f(X+h) - f(x) / H

How to determine whether two known pairs of points are on the same line.

What percent of 18 is 24? and plz explain thx.

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.