Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

807,704 users

Given f(x)=√(x) and g(x)=x²-1.

0 votes

Find g∘g

functions

asked Jul 14, 2013 in ALGEBRA 1 by anonymous Apprentice

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

f(x)=√(x) and g(x)=x²-1.

gog(x)=g(g(x))

=g(x²-1)

=(x²-1)²-1

Mathematics formulas: (a - b)² = a² - 2ab + b²

⁼(x²)²-2x^2+1-1

=(x^4)-2x^2

answered Jul 14, 2013 by bradely Mentor

Please log in or register to add a comment.

Related questions

What is the funtion of fof; gog; given f(x)=3-5x and g(x)=1-3x?

asked Mar 14, 2014 in ALGEBRA 1 by homeworkhelp Mentor

evaluating-functions
composition-of-functions
functions

Given the function f(x)=2x^2+1 and g(x)=x-4, find (fog)(x).

asked Mar 14, 2014 in ALGEBRA 1 by dkinz Apprentice

composite-functions
evaluating-functions
functions

Given that f(x)=8/(x-1) and g(x)=12/(x+12).

asked Nov 1, 2014 in ALGEBRA 2 by anonymous

functions

given f(x) =x^2+7 and g (x)=x-4/x find (gof)(-1).

asked Sep 19, 2014 in PRECALCULUS by anonymous

functions

Given f(x) = |x − 2| and g(x) = 3/(x^2 + 2)

asked Dec 24, 2017 in ALGEBRA 1 by anonymous

composite-functions
functions

Given f(x) = 3x + 5 and g(x) = x^2 - x + 7,

asked Nov 12, 2014 in ALGEBRA 1 by anonymous

functions

Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following:

asked Mar 14, 2014 in ALGEBRA 1 by harvy0496 Apprentice

composite-functions
evaluating-functions
functions

FUNCTION. Let f(x)=1/(x-4) and g(x)=7/x+4,

asked Jun 28, 2013 in ALGEBRA 1 by payton Apprentice

functions

Given f (x) = – 2x^2 + x -3 and g(x) = - x - 2, find the following:

asked Mar 6, 2014 in ALGEBRA 2 by andrew Scholar

functions
composite-functions
domain-of-a-function

Given the functions f(x) = -3x and g(x) = (x +2)^2. What is the vakue of f(g(3))?

asked Mar 5, 2014 in ALGEBRA 2 by chrisgirl Apprentice

evaluating-functions
functions

Given that f(x)=4x+5 and g(x)=x^2,

asked Jul 6, 2013 in ALGEBRA 2 by harvy0496 Apprentice

functions

h(x)=(fog)(x). h(x)=1/x+2 Find f(x) and g(x)

asked Jan 28, 2020 in PRECALCULUS by anonymous

two-functions
composite-functions
functions

h(x)=(fog)(x). h(x)=(x^2+2x/x^3-1)^3/2 find f(x) and g(x)

asked Jan 28, 2020 in PRECALCULUS by anonymous

composite-functions
evaluating-functions
two-functions
functions

f(x) = -5x-1 and g(x) = 2x^2, solution for (fg)(x)

asked Aug 22, 2014 in ALGEBRA 2 by anonymous

functions

let f(×)=√×. is f(3+1)=f(3)+f(1)?

asked Jun 14, 2014 in ALGEBRA 2 by anonymous

functions

For f(x)= x+3 and g(x)= 3x+3, find the following functions

asked Oct 6, 2018 in ALGEBRA 1 by anonymous

functions
composite-functions
exact-value

f(x)=-3x+4 and g(x)=3x+3

asked Mar 14, 2014 in ALGEBRA 1 by andrew Scholar

evaluating-functions
composition-of-functions
functions

I need to find f o g(x) and g o f(x).

asked Mar 14, 2014 in ALGEBRA 1 by chrisgirl Apprentice

composite-functions
evaluating-functions
functions

what is [fog](x) if f(x)= 2x +7 and g(x)= -3x+4.

asked Mar 14, 2014 in ALGEBRA 1 by payton Apprentice

evaluating-functions
composition-of-functions
functions

Algebra f of x and g of x help!?

asked Nov 13, 2013 in ALGEBRA 1 by linda Scholar

functions
addition

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...