The functions f and g are defined as f(x) =x and g(x) = 3x + 20x-7. 3 a) Find the domain of f, g, f+ g, f-g, fg, ff, and b) Find (f+g)(x), (f-g)(x). (fg)(x), (ff)(x).* (x), (x). and

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 3E
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The last is ones are (7/g)= (g/f)=
The functions f and g are defined as f(x) =x and g(x)= 3x +20x-7.
and
a) Find the domain of f, g, f+g, f-g. fg, ff,
g*
b) Find (f+ g)(x). (f -g)(x), (fg)(x), (ff)(x). G
()
(x), and
(x).
a) The domain of f is.
(Type your answer in interval notation.)
The domain of g is.
(Type your answer in interval notation.)
The domain off+g is.
(Type your answer in interval notation.)
The domain of f-g is
(Type your answer in interval notation.)
The domain of fg is
(Type your answer in interval notation)
The domain of ff is.
Enter your answer in each of the answer boxes.
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Transcribed Image Text:The functions f and g are defined as f(x) =x and g(x)= 3x +20x-7. and a) Find the domain of f, g, f+g, f-g. fg, ff, g* b) Find (f+ g)(x). (f -g)(x), (fg)(x), (ff)(x). G () (x), and (x). a) The domain of f is. (Type your answer in interval notation.) The domain of g is. (Type your answer in interval notation.) The domain off+g is. (Type your answer in interval notation.) The domain of f-g is (Type your answer in interval notation.) The domain of fg is (Type your answer in interval notation) The domain of ff is. Enter your answer in each of the answer boxes. Search
The functions f and g are defined as f(x) =x and g(x)= 3x +20x-
%3D
a) Find the domain of f, g, f+g, f-g, fg, ff,
and.
b) Find (f+ g)(x), (f-g)(x). (fg)(x). (M(x). -*).
|(x), and
(x).
The domain of
is
(Type your answer in interval notation.)
The domain of is
(Type your answer in interval notation.)
b) (f + g)(x) = (Simplify your answer.)
(f-g)(x) = (Simplify your answer.)
(fg)(x) = (Simplify your answer.)
(ff)(x) = (Simplify your answer.)
Enter your answer in each of the answer boxes.
Search
Transcribed Image Text:The functions f and g are defined as f(x) =x and g(x)= 3x +20x- %3D a) Find the domain of f, g, f+g, f-g, fg, ff, and. b) Find (f+ g)(x), (f-g)(x). (fg)(x). (M(x). -*). |(x), and (x). The domain of is (Type your answer in interval notation.) The domain of is (Type your answer in interval notation.) b) (f + g)(x) = (Simplify your answer.) (f-g)(x) = (Simplify your answer.) (fg)(x) = (Simplify your answer.) (ff)(x) = (Simplify your answer.) Enter your answer in each of the answer boxes. Search
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