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Question 553481: p(x)=x^-2x+10
what is the domain of p
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! The domain is the set of all real numbers, since there are NO denominators and NO square roots. Any value of x is permissible in this function.
I wrote a whole NON-TRADITIONAL explanation of DOMAIN in either Intermediate or College Algebra!! The easiest way to find my explanation is to go to my FREE website using the easy-to-remember and easy-to-spell link www.mathinlivingcolor.com. At the bottom of this page is a link that will take you to my Homepage. Look near the top of this page for the link "Basic, Intermediate, and College Algebra: One Step at a Time", click on either Intermediate or College Algebra. In Intermediate Algebra, look in Chapter 5. In College Algebra, look in Chapter 2 for the lessons on Functions, Domain, and Range. The lesson is complete with explanations, examples, and exercises with all the answers. You will especially like the "MATH IN LIVING COLOR" sections that go with this. There are also FREE videos of me teaching this topic in Intermediate and College Algebra my younger years before I retired from teaching. The videos can be found from my Homepage by looking for the link "Rapalje Videos in Living Color". Choose Intermediate or College Algebra, and look for the Functions, Domain, and Range videos. I think you will find that my explanations are a LOT easier to understand than the traditional textbooks you are probably using.
Happy New Year!! My Email address is rapaljer@seminolestate.edu if you need to contact me!!
Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus
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