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Answer: A. (a) Perfectly elastic demand

Answer: (a) Perfectly elastic demand

When demand is perfectly elastic (\(E_d = \infty\)), a negligible change in price causes an infinite change in demand, so the demand curve is a horizontal straight line parallel to the X-axis. A perfectly inelastic demand curve is parallel to the Y-axis.

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report
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