Asked by rosie
The number of issues sold per month of a new magazine (in thousands) and its profit (in thousands of dollars) could be modeled by the function y = − 6x^2 + 36 x + 70. Determine the maximum profit in thousands of dollars.
Answers
Answered by
oobleck
recall that for any parabola y = ax^2+bx+c
the vertex is at x = -b/2a
So, all you need to do is find y when x = -36/-12 = 3
the vertex is at x = -b/2a
So, all you need to do is find y when x = -36/-12 = 3
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