$\"\"$ \ \

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The functions are $\"\"$ and $\"\"$ . \ \

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Find $\"\"$ . \ \

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$\"\"$ (Composition of functions formula) \ \

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$\"\"$ (Substitute $\"\"$ ) \ \

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$\"\"$ (Substitute again) \ \

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$\"\"$ (Distributive property: $\"\"$ ) \ \

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$\"\"$ (Simplify) \ \

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$\"\"$ . \ \

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$\"\"$ \ \

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Find $\"\"$ . \ \

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$\"\"$ (Composition of functions formula) \ \

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$\"\"$ (Substitute $\"\"$ ) \ \

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$\"\"$ (Substitute again) \ \

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$\"\"$ (Simplify) \ \

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$\"\"$ . \ \

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$\"\"$ \ \

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$\"\"$ and $\"\"$ . \ \