2.1

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The function is $\"\"$

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Graph:

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$\"\"$

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2.2

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The function is $\"\"$

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Graph:

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$\"\"$

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2.3.1

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The function is $\"\"$

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$\"\"$

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2.3.2

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The domain of the graph is $\"\"$

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2.5

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The equation is $\"\"$

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Apply ln on each side.

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$\"\"$

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2.4

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The equation is $\"\"$

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Find the formula for $\"\"$

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$\"\"$

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The formula of $\"\"$

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3.1

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The trigonometic expression is $\"\"$

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Derive the formula for $\"\"$ in terms of $\"\"$

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$\"\"$

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3.2

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The value of $\"\"$

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$\"\"$