Answer
See below.
Work Step by Step
According to the exercise:
$x_1=f(x_0)=f(1)=1^2-1+2=2$
$x_2=f(x_1)=f(2)=2^2-2+2=4$
$x_3=f(x_2)=f(4)=4^2-4+2=14$
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