Answer: D.
Explanation
Given
[tex]e^{4x}=5[/tex]
To simplify the expression, we can add a natural logarithm (as its base is Euler) to both sides of the equation:
[tex]\ln(e^{4x})=\ln(5)[/tex]
Simplifying:
[tex]4x=\operatorname{\ln}(5)[/tex][tex]\operatorname{\ln}(5)=4x[/tex]
