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April 20, 2014

April 20, 2014

Posted by **Brandy** on Friday, April 26, 2013 at 3:49pm.

- calculus -
**bobpursley**, Friday, April 26, 2013 at 3:56pmh(t)=-16t^2 + 48t + 60

dh/dt=-32t+48, at t=1.5, then

h'=0

you are right.

- calculus -
**Steve**, Friday, April 26, 2013 at 3:58pmyes, but dh/dt=0 at t=1.5

Don't know how they get 24. dh/dt=24 at t=3/4

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