$\"\"$

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

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(a)

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$\"\"$ .

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Substitute $\"\"$ in the function $\"\"$ .

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$\"\"$

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$\"\"$

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The solution for $\"\"$ is $\"\"$ .

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$\"\"$

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(b)

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$\"\"$ .

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Substitute $\"\"$ in the function $\"\"$ .

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$\"\"$

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The solution for $\"\"$ is $\"\"$ .

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$\"\"$

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(c)

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

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Find the value of $\"\"$ for $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The solution for $\"\"$ is $\"\"$ .

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$\"\"$

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(d)

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Find the value of $\"\"$ when $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The solution for $\"\"$ is $\"\"$ .

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$\"\"$

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(e)

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Graph:

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Graph the function $\"\"$ and $\"\"$ .

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$\"\"$

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Observe the graph.

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The graph of the function touch each other at the point $\"\"$ .

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The solution for $\"\"$ is $\"\"$ .

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$\"\"$

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(a) The solution for $\"\"$ is $\"\"$ .

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(b) The solution for $\"\"$ is $\"\"$ .

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(c) The solution for $\"\"$ is $\"\"$ .

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(d) The solution for $\"\"$ is $\"\"$ .

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(e) Graph the function $\"\"$ and $\"\"$ .

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$\"\"$

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The solution for $\"\"$ is $\"\"$ .