What is the range of the square root function graphed below? 1. Y>-2
2. Y>0
3.Y>1
4.y can be any real number

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0