Solve the Exponential Equation $$3 ^ { x + 7 } = 4$$

Multiple Choice

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places,
for the solution.
- $$3 ^ { x + 7 } = 4$$

A) $- 5.74$
B) $7.79$
C) $1.64$
D) $- 0.72$