if f(x)=2x^2 -x+1 then determine the value of f(2x)

I'm in tenth grade and I understand  things like

if f(x)=2x^2 -x+1 then determine the value of f(-2)

I'm just stuck on this one :)

Thanks :)

in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

????????? yu wanna evaluate at x=2 ????????

2x^2 -x+1

at x=2, 8-2+1

=7

#### at x=-2...8+2+1=11
by

Related questions

1 answer
f(x)=x+4; then f(x+y) domain and range?
asked Jun 26, 2016 in Geometry Answers by anonymous | 801 views
1 answer
f(x) = 3x - 1. g(x) = x + 4. h(x) = x2. Then (h o f)(x) =
asked Jun 9, 2013 in Calculus Answers by anonymous | 1.7k views
1 answer
Determine if each relation represents a function?
asked Oct 9, 2014 in Pre-Algebra Answers by Melissa | 828 views
1 answer
The step function f(x) is graphed. What is the value of f(−1)?
asked May 3, 2018 in Algebra 1 Answers by anonymous | 1.9k views
1 answer
Given f(x) = - x^2 +2x +3 and g(x) = 1-2^x
asked Nov 8, 2020 in Other Math Topics by Kaela187 Level 1 User (680 points) | 1.7k views
1 answer
f(x)=2x^3-x^2-7x+6
asked Dec 11, 2012 in Algebra 2 Answers by anonymous | 799 views
1 answer
f(x)=sqrt(15-2x)
asked Oct 10, 2012 in Algebra 2 Answers by anonymous | 845 views
1 answer
Find the value of –4[g(2)] if g(x) = x2 – 5x.
asked Dec 6, 2012 in Algebra 1 Answers by anonymous | 706 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,392 users