please check my answer
A ball is thrown into the air with an upward velocity of 32 ft/s. Its height h in feet after t seconds is given by the function h = -16t^2 + 32t + 6. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the ball’s maximum height?

A) 1 s; 22 ft
B) 2 s; 22 ft
C) 2 s; 6 ft
D) b1 s; 54 ft

Question

please check my answer
A ball is thrown into the air with an upward velocity of 32 ft/s. Its height h in feet after t seconds is given by the function h = -16t^2 + 32t + 6. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the ball’s maximum height?

A) 1 s; 22 ft
B) 2 s; 22 ft
C) 2 s; 6 ft
D) b1 s; 54 ft

anonymous · Answer

A is my answer

tkhunny · Answer

Always -b/(2a) for the max.  -32/(2*(-16)) = 1

anonymous · Answer

so is my answer right?

tkhunny · Answer

You tell me.  How did yo get it?