A plane descends from an altitude of 5,000 feet at a rate of 300 feet per minute for the first five minutes. after this, the plane descends at a rate of 200 feet per minute until it touches down on the ground. what is the altitude of the plane when the plane has been in descent for 7 minutes.

b

step-by-step explanation:

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x