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
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With cross multiplication you can find that they are the same. In both equations, x would be 100.
Answer: -5 < x + 1 < 3
Step-by-step explanation:
Let x be the number.
-5 < x + 1 < 3
Answer:
She stopped to rest for 45 minutes.
Step-by-step explanation:
It's where the line is straight. What's the second question?