Answer
(a) See the graph.
(b) $y=\frac{x-1}{x}$
Work Step by Step
(a) As $t$ increases $x$ increases too.
(b)
$x=t+1$
$t=x-1$
$y=\frac{t}{t+1}$
$y=\frac{x-1}{x}$
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