(a) Find the maximum height attained by the ball.

label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

y = − 

32
(20)2
x2 + x + 3

(a) Find the maximum height attained by the ball. (Round your answer to three decimal places.)

 ft

(b) Find the horizontal distance the ball has traveled when it hits the ground. (Round your answer to one decimal place.)
 ft
Oct 19th, 2017

y=-0.08X^2 + X +3....eq (1)

y is max if dy/dx=0  so -32(2)/400x + 1 = 0  then x= 6.25

y(6.25)=-0.08(6.25)^2 +6.25+3=6.125

a) 6.125

to find x:  do y=0  so  eq(1)  0=-0.08x^2 + x+ 3  then x=15

b)15


Mar 13th, 2015

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