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

807,728 users

Algebra f of x and g of x help!?

0 votes

Let f(x)= 3x-2 and g(x)=2x^2 +1

Find the function f + g
(f + g)(x) =?

functions
addition

asked Nov 13, 2013 in ALGEBRA 1 by linda Scholar

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) = 3x-2 and g(x) = 2x^2+1

(f+g)(x) = f(x)+g(x)

= (3x-2)+(2x^2+1)

= 3x-2+2x^2+1

= 2x^2+3x-1

answered Nov 13, 2013 by william Mentor

Please log in or register to add a comment.

Related questions

F(x) = 4x + 5 g(x) = 7x - 2

asked Dec 27, 2012 in PRE-ALGEBRA by mathgirl Apprentice

addition
functions

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

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

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

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

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

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

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 f(x)=√(x) and g(x)=x²-1.

asked Jul 14, 2013 in ALGEBRA 1 by anonymous Apprentice

functions

If G(F(x))=x^2-3, and G(x)= x-3, find F(3)

asked Jun 29, 2013 in ALGEBRA 1 by angel12 Scholar

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

Let: f(x) = -3x^2 + 5x, g(x) = 4/4x-3, and h(x) = sqrt(25-2x).

asked Mar 16, 2013 in ALGEBRA 1 by andrew Scholar

functions

h(x)=(fog)(x). h(x)= squareroot of 2x^2-x+2 find f(x) and g(x)

asked Jan 28, 2020 in PRECALCULUS by anonymous

two-functions
composite-functions
functions

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

I need help with getting f o f and g o g of these functions for composition please !

asked Dec 21, 2017 in PRECALCULUS by anonymous

composite-functions
functions

Sole and graph on a number line.

asked May 29, 2014 in ALGEBRA 1 by SanMar Rookie

addition
property
of
inequalities

The value of x

asked Dec 23, 2017 in PRE-ALGEBRA by anonymous

substitution
addition
powers

Which value of x makes the following equation true? 7.8(x - 2) = -0.2x + 40.4

asked Mar 5, 2013 in PRE-ALGEBRA by payton Apprentice

distributive
property
addition

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

...