<exercise masterit-seed="1633" masterit-slug="D1" masterit-name="Discontinuous functions and distributions">
<statement>
<p>
Illustrustrate both of the following integrals. Then explain how
to compute each.
</p>
<me>
\int_{ 2 }^{ 9 }
5 \, \delta\left(t - 5\right)
\,dt
\hspace{2em}
\int_{ 2 }^{ 9 }
5 \, \mathrm{u}\left(t - 5\right)
\,dt
</me>
</statement>
<answer>
<me>
\int_{ 2 }^{ 9 }
5 \, \delta\left(t - 5\right)
\,dt = 5
\hspace{2em}
\int_{ 2 }^{ 9 }
5 \, \mathrm{u}\left(t - 5\right)
\,dt = 20 </me>
</answer>
</exercise>