A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
functions:
If f(x)=x^2x+1, solve:
1) f(x+1)
2) f(a)
3) 2f(x)2
4) f(2x)
anonymous
 4 years ago
functions: If f(x)=x^2x+1, solve: 1) f(x+1) 2) f(a) 3) 2f(x)2 4) f(2x)

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0CAN I post my answers and someone check it?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yeah, lol, just substitute whatever is in f(whatever is in here)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01) x^2+x+3 2) a^2+a+1 (i didn't know if there was any way to simplify this? 3) 2x^2x 4) 2x^22x+1

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0all wrong, it three right 2 f(x)2?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can you show me how to do them then?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[1) f(x+1)= (x+1)^{2}(x+1)+1\] \[=(x+1)(x+1)x1+1\] \[=x ^{2}+2x+1x=x ^{2}+x+1\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Ok, I get #1. I just didn't distribute the negative sign.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.02) f(a)=\[f(a)=(a)^{2}(a)+1=a ^{2}+a+1\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i got 2... i dont see what went wrong with 3 and i dont know how to simplify 4

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0wait 3 should be 2x^22x?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0great now on four you just did not square the 2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh! so it would be 4x^22x+1 ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes great job you get A+

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yay! lol I just always make silly simplifying mistakes or I miss a sign or something simple like that. Oh well, thanks very much ^_^
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.