Science:Math Exam Resources/Courses/MATH110/December 2016/Question 07 (b)
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Question 07 (b) 

Consider the function . (b) Find all values of in the interval such that . 
Make sure you understand the problem fully: What is the question asking you to do? Are there specific conditions or constraints that you should take note of? How will you know if your answer is correct from your work only? Can you rephrase the question in your own words in a way that makes sense to you? 
If you are stuck, check the hint below. Consider it for a while. Does it give you a new idea on how to approach the problem? If so, try it! 
Hint 

Any solution must lie inside the domain. 
Checking a solution serves two purposes: helping you if, after having used the hint, you still are stuck on the problem; or if you have solved the problem and would like to check your work.

Solution 

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Please rate my easiness! It's quick and helps everyone guide their studies. If , then Since on the domain, the denominator doesn't vanish, it is equivalent with For , this happens when However, according to the Hint, must not be an integer multiple of . Excluding , the remaining possible values are Answer: If and is in , then . 