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(a)

The funnction is $\"\"$ .

Graph the function $\"\"$ .

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(b)

Find the zero of $\"\"$ .

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

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If base of the exponentials are equal then equate the powers.

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The zero of $\"\"$ is $\"\"$ .

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(c)

Based on the graph solve $\"\"$ .

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Observe the graph:

The function $\"\"$ in the interval $\"\"$ .

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(a)

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(b) The zero of $\"\"$ is $\"\"$ .