20x4.2 + 16x?a? - 4x?a?!
1 answer:
You might be interested in
Answer: OPTION C.
Step-by-step explanation:
<h3> The complete exercise is: "Air pressure may be represented as a function of height (in meters) above the surface of the Earth, as shown below:</h3><h3>Given the following function:
In order to calculate at what height the air pressure will be equal 50% of the air pressure at the surface of the Earth, you can follow these steps:
1. You need to substitute into the function:
2. Finally, you must solve for .
Remember the following property of logarithms:
Then, you get this result:
