The height in (feet) of a pointed football is a function of the time the ball is in the air. The function is defined by h(t) = -7t2+ 48t. What is the height of the football after 4 seconds?

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Step-by-step explanation:

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step-by-step explanation:

in the absence of parentheses, i will have to make some assumptions:   i interpret your (3x+5/y^6)(4y^3/5)​ to mean:

3x + 5     4y^(3/5)       (3x + 5)(4)

* =

    y^6             1               y^(6-3/5)

if this is not what you expected, repost your question using parentheses to indicate whether you meant

4y^3

    or   4y^(3/5)

    5