Precalculus Examples

$e^{x + 2} = 0.4$

Step 1

Reduce by cancelling the common factors.

$e^{x + 2} = 0.4$

Step 2

Convert the exponential equation to a logarithmic equation using the logarithm base $(e)$ of the right side $(0.4)$ equals the exponent $(x + 2)$ .

$\log_{e} (0.4) = x + 2$