A ball is thrown from the top row of seats in a stadium. The function h(t) = -16t2 + 64t + 80 gives the height, h, in feet, of the ball t seconds after it is thrown. How long will it be before the ball hits the ground? The ball will hit the ground after seconds.

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A: x=3 corresponds to 2003.So, 2013 is 3+(2013-2003)= 3+10=13 year

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A:

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A: Consider the provided information, the total cost that produces x items is defined as,

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A: We can not have negative number inside a square root.  So,  5x+35≥0 or, 5x≥-35 or, x≥-7

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A:

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A: Increased factor problem....

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Q: Find the value of f(-142) for the function below. f(x) = -0.2(x + 223)

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A: Please see the below picture for detailed solution.

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A: Answer

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A: Given, y=-3x2Differentiating both sides w.r.t x we get:dydx=ddx(-3x2)⇒dydx=-6x…

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A: As per request Solve d, e and f part only

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Q: t) Find the domain of the function 6. f(x): x² – 7x write your answer in interval notation. Domain:

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Q: f(−2) when f(x)=2x^2 −3x+28

A: The given function is f(x)=2x2-3x+28.

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A: Given: P(x)=-0.001x2+3x-1800