Asked by Anonymous
the Ruby Snow Company makes custom snowboards. the company's profit can be modelled with the relation y=6x^2+42x-60,where x is the number snowboards sold(in thousands) and y is the profit (in hundreds of thousands of dollars)
How many snowboards does the company need to sell to maximize their profit?
The answer is 3500. But I keep getting 1350000
How many snowboards does the company need to sell to maximize their profit?
The answer is 3500. But I keep getting 1350000
Answers
Answered by
Steve
There is clearly a typo in the above, since the function is a parabola which opens upward, and so has no maximum.
If we go with
y = -6x^2+42x-60
then that works out to
y = -6(x^2-7x+10)
= -6(x-5)(x-2)
The vertex is at x = 3.5, so that means 3500 boards.
You know, if you keep getting wrong answers, it would help to show your work, so it can be corrected.
If we go with
y = -6x^2+42x-60
then that works out to
y = -6(x^2-7x+10)
= -6(x-5)(x-2)
The vertex is at x = 3.5, so that means 3500 boards.
You know, if you keep getting wrong answers, it would help to show your work, so it can be corrected.
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