Find a Polar Equation for the Conic $\mathrm { e } = 1$

question 122

Multiple Choice

Find a polar equation for the conic. A focus is at the pole.
- $\mathrm { e } = 1$ ; directrix is parallel to the polar axis 1 above the pole

• A) \(r = \frac { 3 } { 1 + \cos \theta }\)
• B) \(r = \frac { 3 } { 1 + \sin \theta }\)
• C) \(r = \frac { 3 } { 1 - \cos \theta }\)
• D) \(r = \frac { 3 } { 1 - \sin \theta }\)

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A method of accounting for inventory that updates the inventory levels continuously after each purchase, sale, or return.

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Perpetual Inventory System

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