A bullet is fired upward from ground level. Its height above the ground (in feet) at time t seconds is given by the following equation.

H(t)=16t2+1184t

(a) Find the vertex.

(b) Find the time at which the bullet reaches its maximum height.

(c) Find the maximum height.

(d) Find the time at which the bullet hits the ground (when the height is equal to zero).

Question content area bottom

Part 1

(a) What equation can be used to calculate the t-coordinate of the vertex?

A.

t=2(16)1184

B.

t=11842(16)

Your answer is correct.

C.

t=11842(16)

D.

t=2(16)1184

Part 2

The vertex is at

enter your response here.

(Type an ordered pair. Do not use commas in the individual coordinates.)