Answer:
-1
Step-by-step explanation:
I hope this helps you
square root of 441
square root of 21.21
square root of 21^2
21
Answer:
Check pdf
Step-by-step explanation:
Write 90 out of 120 as a fraction-90/120. Simplify that until you can't any more and you get 3/4 of the original price.
-x^2 - 2x + 15 in vertex form is -(x^2 + 2x - 15) = -(x^2 + 2x + 1 - 16) = -(x + 1)^2 + 16
Therefore, domain is all real numbers and range is {y|y ≤ 16}.