Red aerial mini-flares are used by some boaters in an emergency. The flight of one brand of flares, when fired the function is modeled by the function h(t) = -16t2 + 84t + 3. How many seconds does
it take for the flare to reach it's maximum height? What is the height reached by the flare after 4
seconds?
Maximum Height:
Height Reached after 4 seconds:

where is the figure

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

more detail

step-by-step explanation:

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type