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If f(x) = 6x - 9 and g(x) = x + 6, which statement is true? Click on the correct answer. 6 is not in the domain of fog. 6 is in the domain of fºg.
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4 votes
4 votes
If f(x) = 6x - 9 and g(x) = x + 6,

which statement is true?
Click on the correct answer.
6 is not in the domain of fog.
6 is in the domain of fºg.

User Leonarda
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1 Answer

25 votes
25 votes
The correct answer is,
6 is in the domain of f(g).

This is because the domain of the composition function is -infinite to +infinite therefore 6 is a real positive number making it part of the domain as shown in the graph below :)
If f(x) = 6x - 9 and g(x) = x + 6, which statement is true? Click on the correct answer-example-1
User Jbtule
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