SOLUTION: The cross section of a flashlight is a parabola. The bulb is located at the focus. Suppose the bulb is located 1/4 in from the vertex of the reflector. The width of the cross secti
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Question 991211: The cross section of a flashlight is a parabola. The bulb is located at the focus. Suppose the bulb is located 1/4 in from the vertex of the reflector. The width of the cross section through the bulb is 2 inches. What is an equation for this parabola? Answer by solver91311(24713) (Show Source):
