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30-05-2020
Mathematics

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If the quadratic model applies the function f(x) = -0.11688x² + 2.5355x + 7.0238, what is the predicted value and residual when the tree is 7 years old with a height of 19?

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crazyplaya4yt crazyplaya4yt

30-05-2020

Answer:

predicted value = 19.04518

Residual = -0.04518

Step-by-step explanation:

Residual = y - predicted y

In this case y = 19 for a 7 year old tree.

f(7) = 19.04518

Residual = 19 - 19.04518

Residual = -0.04518

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