Intermediate Algebra for College Students (7th Edition)

$x \approx 3.39$
RECALL: $\ln{x}= y \longrightarrow e^y=x$ Use the rule above to obtain: $e^{1}=\sqrt{x+4}$ Square both sides of teh equation to obtain: $e^2=x+4$ Subtract $4$ on both sides of the equation to obtain: $e^2-4=x$ Use a calculator to obtain: $x=3.389056099 \\x \approx 3.39$