A community for students.
Here's the question you clicked on:
 0 viewing
monroe17
 3 years ago
g(x)=sqrt(x(x15))
find the domainnnnnnn.... :/
monroe17
 3 years ago
g(x)=sqrt(x(x15)) find the domainnnnnnn.... :/

This Question is Closed

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1I'm guessing what I said last didn't help much?

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.1It usually helps for that one problem, then I try to do it myself and I get completely lost :/ Functions are my weakness...

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1If so, then we can graph x(x15) to get this (see attached)

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1Notice how the red graph is above the x axis from infinity to 0 then it dips below the x axis but it comes back up and goes above the x axis from 15 to infinity

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1so this means that the solution to x(x15) >= 0 is (inf, 0] U [15, inf)

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.1yeah (inf,0]U[15,inf) ?

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1where 'inf' stands for infinity

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1yes you nailed it
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.