$\"\"$

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The exponential growth $\"\"$ .

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where $\"\"$ is the rate of growth after $\"\"$ years.

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$\"\"$ is the initial growth rate.

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$\"\"$ is exponential growth rate.

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The population of city $\"\"$ years ago is $\"\"$ . i.e $\"\"$ .

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Present population is $\"\"$ .

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Substitute all tha values in the function $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Apply logarithm on each side

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$\"\"$

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$\"\"$

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$\"\"$

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The percentage of growth rate is $\"\"$ %.

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$\"\"$

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Annual grwoth rate is $\"\"$ %.