Verified answer

Since the function involves √(x-2), x-2 MUST be greater than or equal to 0, so x MUST be greater than or equal to 2.

The answer is c.

Graph on a calculator and use the intersect functionality; it is going to coach you they intersect on the factors (0,0) and (4,4). you may set the two purposes equivalent to a minimum of one yet another, x=2?x, sq. the two factors to get x^2=4x x^2-4x=0 x(x-4)=0 x=0, x=4