A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 5 years ago
If f(x) = 3xsquared  x + 2 (Sorry I don't know how to make the squared number)
Then what is 2f(a) please show work
anonymous
 5 years ago
If f(x) = 3xsquared  x + 2 (Sorry I don't know how to make the squared number) Then what is 2f(a) please show work

This Question is Closed

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0\[f(x) = 3x^2 x +2\] in order to find 2f(a) the only thing you have to do is literally substitute x with a, and then multiply 2 later

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0and \[2f(a) = 2(3a^2a+2)\] so \[2f(a) = 6a^22a+4\]

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0and if you want to indicate that a number is taken to the nth power you put a^n which is\[a^n\]

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0it's the same as a calculator :P
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.