A large spotlight is designed so that a cross section through its axis is a parabola and

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A large spotlight is designed so that a cross section through its axis is a parabola and the light source is at the focus. Find the position of the light source if the spotlight is 4 ft across at the opening and 3 ft deep.

The light source at the focus is ___________ inches from the vertex.

Posted Date: Jun 19, 2024 06:41 PM

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A large spotlight is designed so that a cross section through its axis is a parabola and

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