apex exponential functions test answers
ghtarrow \frac{1}{4} = e^{3r} \] Take natural logarithm: \[ \ln \left( \frac{1}{4} \right) = 3r \] \[ r = \frac{1}{3} \ln \left( \frac{1}{4} \right) \] Calculate: \[ r = \frac{1}{3} \times (-1.3863) \approx -0.4621 \] Answer: The