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# Accuracy and Maclaurin Series

APCALC-KGJOL5

Using the first three terms in the Maclaurin series for $y={ e }^{ -x }$ yields accuracy to within $0.025$ over the interval $\left| x \right| < k$ when $k=$

A

$-1.810$

B

$0$

C

$-0.508$

D

$2.708$