QUESTION 1 Find the domain of the composite function f g. f(x) 8(x) =x + 6 %3D x + 9' O (x|x -9) {x |x -15) O {x |x is any real number) {x |x -9, x* -6}
QUESTION 1 Find the domain of the composite function f g. f(x) 8(x) =x + 6 %3D x + 9' O (x|x -9) {x |x -15) O {x |x is any real number) {x |x -9, x* -6}
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.6: Transformations Of Functions
Problem 104E
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Step 1
we have to find the domain of the composite function fog.
the given functions are:
Step 2
the value of fog is:
therefore the composite function fog is:
as we know that the domain of the function is the set of values of the independent variable for which the function is defined.
so we can notice that the composite function fog is defined when the denominator of fog is not equal to zero.
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