y=(x-5)^2 is a parabola with bottom at x=5
apparentlee yu spozed tu evalueate it in a band...tween a & a+2
anser depend a lot on wot a=
if a >=5, yuno bottom is at a,,,y inkreez for all x > 5 & max is at x=a+2
But for most a's...yu gotta test several values for x tu see how the kerv go