<PRE><B>Question 716167</B>
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You need *[tex \LARGE f(t)] where *[tex \LARGE f(0)\ =\ 0] and *[tex \LARGE f(t)\ =\ 60\ +\ 50(t\ -\ 1)] where *[tex \LARGE t\ \geq\ 1].


So


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ f(t)\ =\ \left\{\ \,0\ \ \text{if }t\ \leq\ 0\cr{60}\ +\ 50(t\ -\ 1)\ \text{if }t\ \geq\ 1\right]


You can plug in the values for *[tex \LARGE t] and do your own arithmetic.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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