Answer
False
Work Step by Step
When $t \to 4^{-}$, then $f(t)=(4)^2=16$
When $t \to 4^{+}$, then $f(t)=(4)^2=16$ and When $t =4$, then $f(t)=4$
We see that $f(t)_{-}=f(t)_{+} \ne f(t)$
Therefore, the given statement is $\bf{False}$.
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