Question

Use the function below to find F(4).

Answer 1

Hello !

$F(x) = 5 \times ( \frac{1}{3} ) {}^{x}$

$F(4) = 5 \times ( \frac{1}{3}) {}^{4} = 5 \times \frac{1 {}^{4} }{3 {}^{4} } = 5 \times \frac{1}{81} = \frac{5}{81}$