Homework Help: Alegra 2

Posted by Emily on Sunday, October 23, 2011 at 1:30pm.

A baseball is hit at a point of 3 feet above ground at a velocity of 100 feet per second and an angle of 45 degrees. The path of the baseball is h(x)= -0.0032(x-156.25)squared+87, where x and h(x) are measured in feet.
A. what is the baseball's maximium height?
B. will the baseball clear a 25-foot fence located 300 feet from home plate/

Alegra 2 - drwls, Sunday, October 23, 2011 at 3:03pm
(A) Maximum height occurs when the first term (whcih is negative) is zero.

(b) Plug in x = 300 and see if the resulting h(x) is >25 feet.

It's pretty close!

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