A helicopter intentionally hovering 40 ft above the ground begins to gain altitude at a rate of 21 ft per second. which of the following functions represent the helicopters altitude above the ground y in feet t seconds after the helicopter begins to gain altitude

i think this could be a possible answer (1 / 84) -1

good luck! : d

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1