Final answer:
The height of the object at 2 seconds is 336 feet.
Step-by-step explanation:
To find the height of the object at 2 seconds, we need to evaluate the function h(t) = -16t² + 128t + 144 when t = 2.
Substituting t = 2 into the function:
h(2) = -16(2)² + 128(2) + 144
h(2) = -64 + 256 + 144
h(2) = 336
Therefore, the height of the object at 2 seconds is 336 feet.