MHB Find Domain & Range of 8 Mathematics Problems for CSE Exam

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The discussion focuses on a request for help in finding the domain and range of eight mathematical functions for a CSE exam. Forum guidelines emphasize that users should limit their questions to two per thread for better organization and timely responses. Additionally, contributors expect users to demonstrate effort in solving problems before seeking help, such as showing work or using proper formatting. The forum maintains a strict policy against academic dishonesty, warning that threads may be closed if they appear to facilitate cheating. Ultimately, the thread was closed due to concerns about potential academic integrity violations.
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1.Find the Domain and range of f(x)= (x2+2)?

2.Find the Domain and range of f(x)=√x+2?

3.Find the Domain and range of f(x)=√x2-16?

4.Find the Domain and range of f(x)=√x2+5x+6?

5.Find the Domain and range of f(x)=√(3x-1)(7-x)?

6.Find the Domain and range of f(x)=√8+2x-3x2?

7.Find the Domain and range of f(x)=log(7x-5)?

8.Find the Domain and range of f(x)=log(8+2x-3x2)?Need To solve these mathematics problems urgently for my CSE Exam.Thanks in Advance.
 
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Apurbow said:
1.Find the Domain and range of f(x)= (x2+2)?

2.Find the Domain and range of f(x)=√x+2?

3.Find the Domain and range of f(x)=√x2-16?

4.Find the Domain and range of f(x)=√x2+5x+6?

5.Find the Domain and range of f(x)=√(3x-1)(7-x)?

6.Find the Domain and range of f(x)=√8+2x-3x2?

7.Find the Domain and range of f(x)=log(7x-5)?

8.Find the Domain and range of f(x)=log(8+2x-3x2)?Need To solve these mathematics problems urgently for my CSE Exam.Thanks in Advance.

Okay, I have several issues here:

1.) We ask that you post no more than 2 questions per thread:

MHB Rule #8 said:
Do not ask more than two questions in a thread or post. It is better for forum organization, and better for you to get your questions answered in a more timely manner, if you start new threads as necessary for remaining questions. E.g., if you have five questions, post four of them in two threads (two questions each thread) and start a new thread for the remaining one. And if the question has more than two parts to it, it is best to post only that question and its parts in one thread and start a new thread for other questions.

2.) You've shown no effort:

MHB Rule #11 said:
Show some effort. If you want help with a question we expect you to show some effort. Effort might include showing your work, learning how to typeset equations using $\LaTeX$
, making your question clearer, titling threads effectively and posting in the appropriate subforum, making a genuine attempt to understand the given help before asking for more help, and learning from previously asked questions. Moderators reserve the right to close threads in cases where the member is not making a genuine effort (particularly if the member is flooding the forums with multiple questions of the same type). You also should remember that all contributors to MHB are unpaid volunteers and are under no obligation to answer a question.

3.) Academic honesty:

MHB Rule #6 said:
Do not cheat. Teachers expect graded assignments to be the work of that student and not others. Therefore, MHB policy is not knowingly to help with questions in such assignments. If you present a question in such a way as to suggest that it falls in this category, a moderator will close the thread and explain why. The original poster can always PM the moderator to discuss the situation, but if the moderator is unconvinced, the thread will stay closed. When a moderator is certain that a particular member is trying to cheat, he will ban that member and remove the offending thread. Where possible, the moderator will notify the institute at which the member studies and provide a copy of the thread. This may sound harsh, but MHB places a high premium on academic honesty and integrity.

I doubt the CSE Exam allows for outside help, so I am closing this thread until such time as you can convince me or another senior staff member you are not attempting to cheat here.
 
I have been insisting to my statistics students that for probabilities, the rule is the number of significant figures is the number of digits past the leading zeros or leading nines. For example to give 4 significant figures for a probability: 0.000001234 and 0.99999991234 are the correct number of decimal places. That way the complementary probability can also be given to the same significant figures ( 0.999998766 and 0.00000008766 respectively). More generally if you have a value that...

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