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Algebra
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The height of a tennis ball is modeled by the equation h(t)=-9.8tsquared+4t+1 where h is the height of the ball in meters and t is the time in seconds, find the maximum height of the ball. 

Apr 27th, 2015

So when we look at the graph, we can find the maximum y value.  This corresponds to the maximum height in meters.  Check out the graph linked below.

 https://www.desmos.com/calculator/3ajcreexdg

at t=.204 the graph obtains its max y value of 1.408m

Apr 27th, 2015

That's one way, let me know if you need it another way

Apr 27th, 2015

or if you have any questions

Apr 27th, 2015

can you please show the work? Like how you got the graph please

Apr 27th, 2015

I just graphed it using a graphing calculator using the link provided.  otherwise I would use calculus to find t.

Apr 27th, 2015

for the graphing way, that is all of the work

Apr 27th, 2015

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Apr 27th, 2015
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Apr 27th, 2015
May 23rd, 2017
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