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The world coffee consumption from $\"\"$ to $\"\"$ .

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The consumption measured in millions of pounds.

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The function is $\"\"$ , where $\"\"$ is the year, $\"\"$ corresponds with $\"\"$ .

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Find the average rate of change for each time interval.

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(a) $\"\"$ to $\"\"$ .

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

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The interval is $\"\"$ .

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Average rate of change of $\"\"$ on the interval $\"\"$ $\"\"$ .

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Average rate of change of $\"\"$ on the interval $\"\"$ $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ million pounds more per year.

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(a) $\"\"$ to $\"\"$ .

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

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The interval is $\"\"$ .

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Average rate of change of $\"\"$ on the interval $\"\"$ $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ million pounds more per year.

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(a) $\"\"$ million pounds more per year.

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(b) $\"\"$ million pounds more per year.