devynjoseph devynjoseph

23-10-2016
Mathematics

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In your lab, a substance's temperature has been observed to follow the function T(x) = (x + 5)3 + 7. The turning point of the graph is where the substance changes from a liquid to a solid. Using complete sentences in your written answer, explain to your fellow scientists how to find the turning point of this function. Hint: The turning point of the graph is similar to the vertex of a quadratic function.

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Aliwohaish12 Aliwohaish12

23-10-2016

Let T(x) = 0 Then substitute in the equation. 0 = (x+5)^3 +7 0 = x+5 + cuberoot(7) x = -5-cureboor(7) approximately -6.913 That is the turning point.

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