Question 5(Multiple Choice Worth 2 points) (03.07 MC) A searchlight uses a parabolic mirror to cast a beam of light in parallel rays where the light bulb is located at the focus of the parabola in order to give the best illumination. The mirror is modeled by y2 = 20(x-10), where the measurements are in cm. What is the location of the light bulb? O(10,0) O (20, 0) O (12,0) O(15, 0)