imt$$a$($f$($t$))$limt$$a$($f$($t$)).$

tf$($t$)$f$($t$)738\mathrm{.}5738\mathrm{.}514781478738\mathrm{.}9738\mathrm{.}973907390738\mathrm{.}99738\mathrm{.}997390073900738\mathrm{.}999738\mathrm{.}999739000739000$

Step$2$of$2$:$$

Find limt$739($f$($t$))$limt$739($f$($t$)).$