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

805,788 users

If f(x)=x^2 g(x)=-5x h(x)=x+3

+1 vote

find the following g(h(7))?

Please show work, thanks tutor

functions

asked Jan 30, 2013 in ALGEBRA 1 by angel12 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

+1 vote

f(x) = x², g(x) = - 5x and h(x) = x + 3

Find g(h(7)) = ?

h(x) = x + 3

Substitute x = 7 in the function.

h(7) = 7 + 3 = 10

Then g(h(7)) = g(10)

g(x) = - 5x

Substitute x = 10 in the function.

g(10) = - 5(10) = - 50

There fore g(h(7)) = - 50

answered Jan 30, 2013 by richardson Scholar

Please log in or register to add a comment.

Related questions

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)=(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)=2x+5,g(x)=x^2-3,h(x)=7-x

asked Feb 25, 2013 in ALGEBRA 2 by linda Scholar

functions

If f(x)=4x, g(x)=5x-3, and h(x)=√x

asked Sep 5, 2014 in ALGEBRA 1 by anonymous

composite-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

If g(x) = 2x + 2, find g(a + h) - g(a)?

asked Jan 8, 2013 in ALGEBRA 1 by homeworkhelp Mentor

functions

Let f(x)=3-7xand g(x)=2+5x. Find the following: f(2)

asked Mar 5, 2014 in ALGEBRA 2 by johnkelly Apprentice

composite-functions
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

Suppose g(x) = 5x^2 + 3x - 2 and h(x) = 2x - 5, what is g(x) + h(x)

asked Mar 3, 2014 in ALGEBRA 2 by abstain12 Apprentice

composition-of-functions
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

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

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

asked Aug 22, 2014 in ALGEBRA 2 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

what is the domain of f(x)=x^4-5x^3+x^2-x-2

asked Mar 14, 2014 in ALGEBRA 1 by angel12 Scholar

domain-of-a-function
functions

express the function in the form f o g o h. H(x) = 5thsquare root (6 + |x|)

asked Jan 17, 2016 in CALCULUS by anonymous

functions

express the function in the form f o g o h . F(x)=5sq ( 6 + |x|)

asked Jan 17, 2016 in CALCULUS by anonymous

functions

Discuss the continuity of the composite function h (x) = f (g(x)).

asked Jan 9, 2015 in CALCULUS by anonymous

functions
composite-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

determine the equation of g(x) that results from translating f(x) = x^2+3 upward 14 units

asked Aug 22, 2014 in ALGEBRA 2 by anonymous

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

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

...