$\"\"$

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(a)

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Observe the graph.

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At $\"\"$ the function is $\"\"$ units below $\"\"$ axis.

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Therefore the point $\"\"$ lies on the graph $\"\"$ .

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Hence, $\"\"$ .

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At $\"\"$ the function is $\"\"$ units above $\"\"$ axis.

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Therefore the point $\"\"$ lies on the graph $\"\"$ .

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Hence, $\"\"$ .

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$\"\"$

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(b)

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Find the value of $\"\"$ where the graph $\"\"$ .

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Observe the graph.

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The values of $\"\"$ for which the $\"\"$ values of both the functions are equal.

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At $\"\"$ , the functions $\"\"$ and $\"\"$ are $\"\"$ unit above $\"\"$ axis.

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Therefore the point $\"\"$ lies on the graph.

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Hence, $\"\"$ and $\"\"$ .

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At $\"\"$ , the functions $\"\"$ and $\"\"$ are $\"\"$ units above $\"\"$ axis.

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Therefore the point $\"\"$ lies on the graph.

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Hence, $\"\"$ and $\"\"$ .

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The values of $\"\"$ are $\"\"$ and $\"\"$ .

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$\"\"$

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(c)

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Find the value of $\"\"$ where the graph $\"\"$ .

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Observe the graph.

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

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Hence, $\"\"$ and $\"\"$ .

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$\"\"$

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(d)

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Observe the graph.

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$\"\"$ decreases for all values of $\"\"$ between $\"\"$ .

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$\"\"$ decreases on the interval $\"\"$ .

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$\"\"$

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(e)

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The domain of $\"\"$ consists of all values of $\"\"$ on the graph of $\"\"$ .

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$\"\"$ is defined for $\"\"$ .

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The domain of $\"\"$ is $\"\"$ .

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The range of $\"\"$ consists of all values of $\"\"$ on the graph of $\"\"$ .

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$\"\"$ takes all the value from $\"\"$ to $\"\"$ .

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The range of $\"\"$ is $\"\"$ .

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$\"\"$

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(f)

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The domain of $\"\"$ consists of all values of $\"\"$ on the graph of $\"\"$ .

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$\"\"$ is defined for $\"\"$ .

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The domain of $\"\"$ is $\"\"$ .

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The range of $\"\"$ consists of all values of $\"\"$ on the graph of $\"\"$ .

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$\"\"$ takes all the value from $\"\"$ to $\"\"$ .

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The range of $\"\"$ is $\"\"$ .

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$\"\"$

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(a) $\"\"$ and $\"\"$ .

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(b) The values of $\"\"$ are $\"\"$ and $\"\"$ .

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(c) $\"\"$ and $\"\"$ .

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(d) $\"\"$ .

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(e) Domain of $\"\"$ is $\"\"$ and range of $\"\"$ is $\"\"$ .

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(f) Domain of $\"\"$ is $\"\"$ and range of $\"\"$ is $\"\"$ .