Question

I will give yall 100 points if this get answered fast:

HELP ME PLEASE FAST

write a linear function to model the following situation:

An airplane is 30,000 ft. in the air and descending 1,000 ft. for each mile it travels.

descending means its going ____.

write the equation.

Y= _____________
or as a function

f(x) = 30,000 - 1,000x

the question is: How far away from the airport does the airplane have to start to descend to land safely? To answer that, we need to find the x- intercept

Answer 1

Answer: Its x= 30

Explanation:

Answer 2

x = 30

Explanation:

To find the x intercept, you need to substitute
`y = 0`, as all points on the x axis's y-coordinate is 0.

`0 = 30000 - 1000x\\ \\ \to 0 + 1000x = 30000 \cancel{- 1000x + 1000x} \\\\ \to 1000x = 30000 \\ \\\to (1000x)/(1000) = (30000)/(1000) \\ \\\to x = 30`