"The cross section of a newer solar cooker is a parabola modeled by the equation
with distances measured in centimeters. The bracket that holds the pan for the cooker needs to be placed at the focus. Assuming that the vertex of the parabolic dish is at the point (0, 0). at what coordinates should the bracket be placed?"
a) (0, 10 cm)
b) (10 cm, 0)
c) (0, 20 cm)
d) (20 cm, 0)