What function should be used to minimize the distance between and the point (2, 0)?

Answer 1

you dropped something out

Answer 2

Yes! Sorry! y=sqrt of (x+3)

Answer 3

for any point on the curve, the distance z to (2,0) is

z^2 = (x-2)^2 + (y-0)^2
= x^2-4x+4 + x+3
= x^2-3x+7

so, use z = √(x^2-3x+7)