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The table shows data that were collected on a hot-air balloon. Which function f(x) best models the data?
If you are in a hot-air balloon at a height of 100 meters, you can expect to see _____ km. Round your answer to the nearest kilometer and enter only the number.

Question

anonymous · Answer

attachment

anonymous · Answer

@jim_thompson5910

jim_thompson5910 · Answer

it asks "Which function f(x) best models the data?"

does it give you a list of choices for f(x)?

anonymous · Answer

Yes My Bad..
A.) x+3.6
B.) 3.6 sqr of x
C.)3.6x^2
D.) 3.6X

anonymous · Answer

I found that, its B but i have no clue how to do the second part..

jim_thompson5910 · Answer

so it's this?

$$\LARGE 3.6 \sqrt{ x }$$

or is it this?

$$\LARGE \sqrt[3.6]{ x }$$

anonymous · Answer

The first one. 
I think i just figured it out, can you double check? I got 36...

jim_thompson5910 · Answer

you are correct, if x = 100, then 

$$\LARGE 3.6 \sqrt{ x } = 3.6\sqrt{100} = 36$$

anonymous · Answer

Thank-you so much!! Again lol

jim_thompson5910 · Answer

you're welcome