Answer:
x =1/3
Step-by-step explanation:
the zero quadratic function is x=1/3
Answer:
The initial value is 11.2149
Step-by-step explanation:
-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}.