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Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p equals negative 0.5 x squared plus 36 x minus 134 models the profit of the fundraiser. What's the smallest amount, in dollars, that you can charge and make a profit of at least $388?.
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Answered by
oobleck
gee, why all those words?
p(x) = -0.5x^2 + 36x - 134
So, just solve
-0.5x^2 + 36x - 134 = 388
As with all quadratics, there are two solutions. Pick the one you need. Be sure to round up.
p(x) = -0.5x^2 + 36x - 134
So, just solve
-0.5x^2 + 36x - 134 = 388
As with all quadratics, there are two solutions. Pick the one you need. Be sure to round up.
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