how to tell if linear approximation is over or under?

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28-10-2021
Mathematics

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how to tell if linear approximation is over or under?

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A customer pays 50 dollars for a coffee maker after a discount of 20 dollars What is the original price of the coffe maker?

kamiisbadathomework kamiisbadathomework · Answer 1 · 2021-10-28T20:50:15+02:00

kamiisbadathomework kamiisbadathomework

28-10-2021

If f (t) > 0 for all t in I, then f is concave up on I, so L(x0) < f(x0), so your approximation is an under-estimate. If f (t) < 0 for all t in I, then f is concave down on I, so L(x0) > f(x0), so your approximation is an over-estimate.

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