A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
Find the domain of the expression:
1. 6x^29, x>0
2. (x^2x12)/(x^28+16)
Please show steps or explain them to me! Thank you!
 one year ago
Find the domain of the expression: 1. 6x^29, x>0 2. (x^2x12)/(x^28+16) Please show steps or explain them to me! Thank you!

This Question is Closed

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1is it like all real numbers, or can you please explain?

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1it still does not make sense, x has to be > 0

munaali
 one year ago
Best ResponseYou've already chosen the best response.0the real numer has negive

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1@jim_thompson5910 can you help me with these two problems?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1by default, all polynomials have a domain of the set of all real numbers

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1but because it clearly states that x > 0, that means the domain is x > 0, so the domain is the set of positive real numbers

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1to find the domain of (x^2x12)/(x^28x+16), set the denominator equal to zero and solve for x those two solutions will be values you exclude from the domain

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1Thank you! Now my answers are: 1. x=all + real numbers 2. x cannot=+ or  4, and 2 is that right?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1the first one is correct, but the second is not

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1hint: x^2  8x + 16 factors to (x4)(x4)

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1so x cannot equal 4, or 2 ?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1how are you getting 2?

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1oh nevermind I see what I was doing wrong, was separating x^2 and 8x and solving them each for 16 separately. So the answer is just x cannot = 4 ?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1bingo, the domain is the set of all real numbers but x cannot equal 4

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1Okay thank you! :)

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1you're welcome
Ask your own question
Ask a QuestionFind 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.