I’m not sure how to work this problem and what to plot

What you need to do is find the x & y intercepts
To find the y-intercept, substitute in 0 for x and solve for y.
y=0^2−2(0)+5
y=0-0+5
y=5
(0,5)
To find the x-intercept, substitute in 1 for x and solve for x.
1^2−2(1)+5
1-2+5
-1+5
4
(1,4)
Now you just plot these points (you can use Desmos to show you how to do the curve)
it going to curve up btw :)
(0,5)(1,4)