Write a function rule that represents the situation.
A helicopter hovers 40 ft above the ground. Then the helicopter climbs at a rate of 21 ft/s. Write a rule that represents the helicopter’s height h above the ground as a function of time t.
(1 point)
Responses
h equals 40 t plus 21
h equals 40 minus 21 t
h equals 40 plus 21 t
h equals 40 plus start fraction t over 21 end fraction
h equals 40 plus 21t
The correct function rule that represents the situation is:
h = 40 + 21t
This means that the height, h, above the ground is equal to 40 feet (the initial height) plus 21 (the rate at which the helicopter climbs) multiplied by the time, t, in seconds.