Asked by makayla
Find the values of b such that the function has the given maximum value.
f(x)=-x^2 +bx-15 Maximum value: 66
f(x)=-x^2 +bx-15 Maximum value: 66
Answers
Answered by
oobleck
the vertex is at x = b/2, so you want
-(b^2/4)+b(b/2)-15 = 66
b^2/4 = 81
b = ±18
-(b^2/4)+b(b/2)-15 = 66
b^2/4 = 81
b = ±18
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.