y = −

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

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

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up