Solve the equation 100 = 20 e 3 k 100=20e^{3k} 100 = 20 e 3 k for k k k .

k = ln ⁡ 5 3 k=\frac{\ln5}{3} k = 3 l n 5

k = 3 ln ⁡ 5 k=\frac{3}{\ln5} k = l n 5 3

k = ln ⁡ 3 5 k=\frac{\ln3}{5} k = 5 l n 3

Exponential Functions

0. Functions / Exponential Functions / Problem 4

Problem 4

Solve the equation $100=20e^{3k}$ for $k$ .

$k=\frac{\ln5}{3}$

$k=\ln5$

$k=\frac{3}{\ln5}$

$k=\frac{\ln3}{5}$