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Mathematics, 06.05.2020 00:45 leximae7720

When does it reach maximum height?

H(t)=-16t^2+112t+288

Answers

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Answer from: jordanfwtm

484 feet  maximum

Step-by-step explanation:

H(t)=-16t^2+112t+288

The maximum height occurs at the vertex of this graph.  

Let us find the vertex.

vertex x-coordinate = -b/2a

x =  -b/2a = -(112)/ (2*-16) =  7/2 sec.

H(7/2) = - 16 *(7/2)^2 + 112*(7/2) +  288

H(7/2) = -196 + 392 + 288 = 484 feet ..

ansver
Answer from: Quest

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

ansver
Answer from: Quest

1,8,15,22,29,36,43,50

step-by-step explanation:

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When does it reach maximum height?

H(t)=-16t^2+112t+288...

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