Question

The volume V of air remaining in an inflated balloon can be modeled by the

function = 1,000(0.85) where x represents the number of days that have

passed since inflating the balloon. What is the reasonable domain for the

situation? Explain.

(pls I need the correct answer)​

Answer 1

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Answer 2

What is the reasonable domain for the given situation:

Explanation:

• It is a ridiculous equation to model the volume of remaining air, since it means that the volume of remaining air increases instead of decreasing.
• After 1 day, x=1, so V(1) = 1000* (0.85)* (1) = 850.

• A reasonable alternative might be: V = 1,000 e^(-0.85 x).
• This would imply continuous but ever slowing decrease in volume, not ceasing until x is infinite.