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OpenStudy (anonymous):
Let f(x)=e^-x. Find f(2.1), rounded to four decimal places
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OpenStudy (anonymous):
Replace x with 2.1 and solve f(x)=e^-2.1 which is the same as 1/(e^2.1)
OpenStudy (anonymous):
So will the answer be 0.7725?
OpenStudy (anonymous):
I get .1225...
OpenStudy (anonymous):
How?
OpenStudy (anonymous):
Calculator
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OpenStudy (anonymous):
\[1/e ^{2.1}\]
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