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Let f(t)={3 if 0t25t if t>2}f ( t ) = \left\{ \begin{array} { l l } 3 & \text { if } 0 \leq t \leq 2 \\5 - t & \text { if } t > 2\end{array} \right\}

Question 9

Multiple Choice

Let f(t) ={3 if 0t25t if t>2}f ( t ) = \left\{ \begin{array} { l l } 3 & \text { if } 0 \leq t \leq 2 \\5 - t & \text { if } t > 2\end{array} \right\} . Then L{f(t) }\mathcal { L } \{ f ( t ) \} is


A) 3/s2e2s/s23 / s ^ { 2 } - e ^ { - 2 s } / s ^ { 2 }
B) 3/se2s/s23 / s - e ^ { - 2 s } / s ^ { 2 }
C) 3/s2+e2s/s23 / s ^ { 2 } + e ^ { - 2 s } / s ^ { 2 }
D) 3/s+e2s/s3 / s + e ^ { - 2 s } / s
E) 3/s2+e2s/s23 / s ^ { 2 } + e ^ { 2 s } / s ^ { 2 }

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