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The function is $\"\"$ ,

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where $\"\"$ is number of years since $\"\"$ .

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$\"\"$

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(a)

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Estimate the amount of paper recycled in $\"\"$ .

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The year $\"\"$ represents $\"\"$ .

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Observe the graph:

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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Find algebraically $\"\"$ .

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$\"\"$

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$\"\"$ .

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Estimate the amount of paper recycled in $\"\"$ .

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The year $\"\"$ represents $\"\"$ .

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Observe the graph:

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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Find algebraically $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Estimate the amount of paper recycled in $\"\"$ .

\

The year $\"\"$ represents $\"\"$ .

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Observe the graph:

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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Find algebraically $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Thus,

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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(b)

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Observe the graph:

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The quantity of paper recycled reached $\"\"$ tons when $\"\"$ .

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The year $\"\"$ represents $\"\"$ .

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Find algebraically $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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In the year $\"\"$ the quantity of paper recycled reached $\"\"$ tons.

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(a)

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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The amount of paper recycled in $\"\"$ is $\"\"$ thousands of tons.

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(b).

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In the year $\"\"$ the quantity of paper recycled reached $\"\"$ tons.