Factor completely 4x2 − 81.
(4x − 9)(x + 9)
(2x + 9)(2x + 9)
(2x + 9)(2x − 9)
(2x − 9)(2x − 9

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?

What is the location of maximum over the interval [-3,1.5] for the graphed function?