Textbook question help needed, my book doesn't give the answer.Precalculus, please

aowaitai

New member
help!? Go to (it's my textbook, google books)---Section 1.2 Problem 67
http://books.google.com/books?id=_6ukev29gmgC&pg=PR14&lpg=PR14&dq=PRECALCULUS-W/CD+COHEN+ISBN:9780534402129&source=bl&ots=ZlXDAB8b7o&sig=DNpvsB2Xp3qKqdkEngqMFqxOCtA&hl=en&ei=LLxFTZmzLYqosAPc--jqCg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCwQ6AEwAA#v=onepage&q&f=false


Thank you so much!!!!

I picked the principal x is less than or equal to |x| for part a. Is that the correct principal to start with or should I have picked the triangle inequality to start with. That is what I wanted to know because I will attempt to do part d.
 
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