The domain of a function are the possible input values of the function.
<em>The domain of the function is (d) Whole numbers</em>
First, we identify the start and end values of x on the graph.
We have:

The graph has no end; so:

This means that the domain of the graph is 
The number of times one can visit the pool cannot be decimal.
Hence, the domain of the function is whole numbers
Read more about domain at:
brainly.com/question/15339465
Answer:
2 x 15 +7
Step-by-step explanation:
Between "my" age and "my" step sisters' age there is 7 years, the range is 7 years
Hope this helps
-GoldenWolfX
Am presuming you are asking for the length of each ribbon in feet.
5 of them = 2 yards.
1 of them = 2/5 = 0.4 yards.
But note 3 feet make 1 yard.
Therefore: 0.4 yards = 0.4 * 3 feet = 1.2 feet.
If you do 93.60-4.20=89.40. Then you do 89.40 divided by 6= 14.90 so each cd before tax would be $14.90.