Solve the Inequality $7 < 3.1 \times 1.6 ^ { x } < 19$

Multiple Choice

Solve the inequality $7 < 3.1 \times 1.6 ^ { x } < 19$

A) $\quad 1.73 < x < 3.86$
B) $\quad 3.11 < x < 7.45$
C) $\quad 1.73 < x < 7.45$
D) $3.11 < x < 3.86$