Answer
(a) See the graph.
(b) $x=-y^2+2y$
Work Step by Step
(a) As $t$ increases $y$ increases too.
(b)
$y=1+t$
$t=y-1$
$x=1-t^2$
$x=1-(y-1)^2$
$x=1-y^2+2y-1$
$x=-y^2+2y$
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