Answer:
D) The domain of the function is all real numbers
Step-by-step explanation:
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To solve this problem you must apply the proccedure shown below:
1. You have that the radius and the height of the cylinder are:

2. So, you must calculate the area:

3. Substitute the values into the formula:

4. When the radius and the height are doubled, you obtain:

5. The factor is:
The answer is: B.
Answer:
A=10.75
Step-by-step explanation:
Formula; A=wl
Plug in values; 2.5·4.3
Area ; 10.75
15 miles cause you do 5 times 3 and you get 15 miles