The equation h(t)=-16t^2+64t+80 models the height of a rocket launched from the top of a building. Which statement is true? A. The maximum height of the rocket is 144 feet.
B. The rocket hits the ground in 2 seconds.
C. The rocket reaches its maximum height in 5 seconds.
D. The maximum height of the rocket is 80 feet.

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

it shoild be o

step-by-step explanation: