Using (2), show that for every x , e-x = 1/ex ex > 0

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Using (2), show that for every x ∊ ℜ,
• e-x = 1/ex
• ex > 0
• ex → ∞ as x → ∞ and ex → 0 as x → - ∞
This implies that the exponential function maps ℜ onto ℜ+.

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Foundations of Mathematical Economics

ISBN: 978-0262531924

1st edition

Authors: Michael Carter

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Question Posted: May 02, 2016 11:38 AM

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Using (2), show that for every x , e-x = 1/ex ex > 0

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22 implies for every 0 1 and therefore e x 1 e x ...View the full answer

Foundations of Mathematical Economics

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