Find the function value.
-$\text { Let } f ( x ) = e ^ { - x } \text {. Find } f ( 3.9 ) \text {, rounded to four decimal places. }$
A) 1.4347
B) 10.6013
C) 49.4024
D) 0.0202

Question

Quizplus · Accepted Answer

To find $f(3.9)$, substitute $x = 3.9$ into the function $f(x) = e^{-x}$. This gives $f(3.9) = e^{-3.9}$. Using a calculator to evaluate this expression and rounding to four decimal places, we get approximately 0.0202.

Find the Function Value Let f(x)=e−x. Find f(3.9), rounded to four decimal places. \text { Let } f ( x ) = e ^ { - x } \text {. Find } f ( 3.9 ) \text {, rounded to four decimal places. } Let f(x)=e−x. Find f(3.9), rounded to four decimal places.

Find the Function Value $\text { Let } f ( x ) = e ^ { - x } \text {. Find } f ( 3.9 ) \text {, rounded to four decimal places. }$