Answer
See below.
Work Step by Step
Plugging in the given values into the inequality:
$4.5+1=5.5\geq1.6(0.5)=0.8$, thus $(0.5,1)$ is not a solution.
$4.5+0=4.5\lt1.6(3.8)=6.08$, thus $(3.8,0)$ is a solution.
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