## College Algebra (10th Edition)

$e^x=4$
RECALL: (1) Logarithm is defined as: $\log_a{x}= y \longleftrightarrow a^y=x$ (2) The natural logarithmic function is $y=\ln{x}$ or $\log_e{x}$ Thus, the exponential equivalent of the given natural logarithmic expression is: $e^x=4$