$\"\"$

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The exponential function is $\"\"$ .

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Points on the graph are $\"\"$ and $\"\"$ .

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Therefore these points satisfy the equation $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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Solve the equations $\"\"$ and $\"\"$ to find $\"\"$ and $\"\"$ values.

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Divide equation $\"\"$ by equation $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .