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July 23, 2014

July 23, 2014

Posted by **steph** on Thursday, November 10, 2011 at 7:01pm.

a) how far from the base of the cliff is the height of the projectile at its maximum?

b) find the maximum height of the projectile.

c) how far from the base of the cliff will the projectile strike the water?

d) when the height of the projectile is 100 feet above the water, how far is it horizontally from the cliff?

- pre-calc -
**Steve**, Thursday, November 10, 2011 at 7:29pmThis is just a good old parabola.

max height occurs at x=-b/2a = -1/-.0256 = 39.0625

h(39.0625) = 219.531

h(x) = 0 at x = 170 approx.

h(x) = 100 at x = 135.7

- pre-calc -
**steph**, Thursday, November 10, 2011 at 9:08pmthanks! i posted some other questions that i really need help with too

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