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QUESTION Sketch the image of each of the following sets under the
exponential function $z\to e^z$.

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\item[(a)]
$-1\leq x\leq0,\ -\frac{\pi}{4}\leq y\leq \frac{\pi}{4}.$

\item[(b)]
$-1\leq x\leq 0,\ \pi \leq y\leq 2\pi.$

\item[(c)]
$0<y<2\pi$

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ANSWER DIAGRAM

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