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anonymous
 one year ago
HELP
The change in water level of a lake is modeled by a polynomial function, W(x). Describe how to find the xintercepts of W(x) and how to construct a rough graph of W(x) so that the Parks Department can predict when there will be no change in the water level. You may create a sample polynomial of degree 3 or higher to use in your explanations.
anonymous
 one year ago
HELP The change in water level of a lake is modeled by a polynomial function, W(x). Describe how to find the xintercepts of W(x) and how to construct a rough graph of W(x) so that the Parks Department can predict when there will be no change in the water level. You may create a sample polynomial of degree 3 or higher to use in your explanations.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0let y = 0, any function you want so long as it is cubed or higher...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0My answer can be y=0?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so y intercepts are found by letting x = 0 and finding for y, and x intercepts are found by letting y =0 and finding for x.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so something like W(x) = ax3 + bx2 +cx +d would be fine. savvi?
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