If the point (1, 3) is on the graph of y = f(x), then what is the corresponding point on the graph of y = -2f(x)? O(-2,-6)
0 (1,-6)
O (-2,3)
(1,3)

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32