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The functions are and .

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All possible values of is the domain of the function.

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The domain of is the set of all real numbers.

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All possible values of is the domain of the function.

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The domain of is the set of all real numbers.

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(a)

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Find .

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The domain of the inside function is .

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The composite function has no restrictions, so all possible values of is the domain of the function.

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The domain of is .

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(b)

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Find .

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The domain of the inside function is .

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The composite function has no restrictions, so all possible values of is the domain of the function.

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The domain of is .

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(c)

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Find .

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The domain of the inside function is .

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The composite function has no restrictions, so all possible values of is the domain of the function.

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The domain of is .

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(d)

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Find .

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.

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The domain of the inside function is .

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The composite function has no restrictions, so all possible values of is the domain of the function.

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The domain of is .

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(a) , and its domain is .

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(b) , and its domain is .

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(c) , and its domain is .

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(d) , and its domain is .