In a church, the ratio of adults to children is 10 to 5. If there are 135 people in the church, how many children are there?
1 answer:
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1. You have the function
2. You know that with
, because the division by zero is not defined. So ,
for
where
is a integer number.
3. Then, to find the domain of the function given in the problem, you must make
Where is odd number.
4. Therefore:
5. Finally, the domain is:
The answer is: