Answer:
The answer is:
Option 4; (14+ 9) 4 is twice as much as(14 + 9) 2
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Answer:
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Step-by-step explanation:
Using the exponential function, it is found that the oxygen level at 10 miles is of 59.87 ppm.
<h3>What is the exponential function for the oxygen levels?</h3>
The oxygen levels in ppm for an altitude of x miles at the Mount Everest is given by the following exponential function:

In this problem, the altitude is of x = 10 miles, hence the oxygen level in ppm is of:

More can be learned about exponential functions at brainly.com/question/25537936
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The equation that can be used to find the number for bracelets she needs to sell to break even would be 2x + 15 = 5x