Use a calculator or other technology to approximate the following values correct to four decimal places:
$e^4$e4
$e^{-1}$e−1
$e^{\frac{1}{5}}$e15
Use a calculator or other technology to approximate the following values correct to four decimal places:
Simplify $3e^x+4e^x$3ex+4ex.
Simplify $5e^x-2e^x$5ex−2ex.