Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Help with question concerning functions.?
Please help with these two questions concerning functions.
A) Does the relation { (1/2), (3,3), (-7,2), (1,5), (2,0) } define a function? Please explain.
and
B) Does the equation x=y^2 define y as a function of x? Please explain.
Thank you so much for any help.
1 Answer
- 1 decade agoFavorite Answer
A) No it doesn't define a function since the same value of independent variable x has two different values associated with dependent variable. like (1,2) and (1,5)
B) Yes because x= Y^2 is also the same as Y= sqrt(x)