For the pair of functions f(x) and g(x), find f(g(x)), g(f(x)) and f(f(x)). f(x) = x3 − x;  g(x) =  x4 − 3 x4 + 3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.9: Combining Functions
Problem 50HP
icon
Related questions
icon
Concept explainers
Question

For the pair of functions

f(x)

and

g(x),

find

f(g(x)),
g(f(x))

and

f(f(x)).
f(x) = x3 − x;  g(x) = 
x4 − 3
x4 + 3
Expert Solution
Step 1

Given,

f (x) x3x
x-3
g(x)
x4+3
Now
)'-
(x+-3
(xt-3Y
x4+3.
f(o)
x4 +3
x4+3
2
x-3
x4 +3,
x4+3,
g(f (x)) = g(x3 - x) = (3-x)4-3
(3-x)4+3
x12-4x10+6x8-4x6+x4-3
x12-4x10+6x8-4x6+x4+3
f(f(x)) f(x-x) = (x3 - x)3- (x3
— х9 — Зх7 + Зx5 — х3 — х3 +x
— х9 — Зх7 + Зx5 — 2х3 + х
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Application of Differentiation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning