Question

A volleyball is served by a 6-foot player at an initial upward velocity of 33 feet per second. The situation is modeled by the equation h=−16t2+33t+6
h representing the height in feet and t representing the time in seconds. Using this equation, define the domain of the ball when it reaches its maximum height.(1 point)
Responses

1.22 seconds
1.22 seconds

1.03 seconds
1.03 seconds

−1.03 seconds
negative 1.03 seconds

23.01 feet
23.01 feet

Answer 1

Use the vertex time t = -b/(2a). Here a = -16, b = 33, so
t = -33/(2·-16) = 33/32 ≈ 1.03 seconds.
Answer: 1.03 seconds.