Write a function rule that represents the situation.

Question

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

Answer 1

h equals 40 plus 21t