<em>If the radius of a sphere is doubled, the surface area becomes four times the original surface area.</em>
Answer:
The equation is not a linear function.
Answer: 
Step-by-step explanation:
You need to use the following Properties of Logarithms:

Given the following expression:

You can follow these steps in order to write it as a single logarightm:
- Apply the first property shown above:

- Apply the second property:

- Finally, apply the third property:

14.9682539683 Your welcome have a good day!
My best Guess is
1.282 for upper . , -1.282 for lower.
Hope this Helps
-Dante