Simplify by First Converting to Rational Exponents $\sqrt[7]{\mathrm{x}} \cdot \sqrt{\mathrm{x}}$ A) $\sqrt[7]{x^{2}}$

Multiple Choice

Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
- $\sqrt[7]{\mathrm{x}} \cdot \sqrt{\mathrm{x}}$

A) $\sqrt[7]{x^{2}}$
B) $\sqrt[14]{x^{9}}$
C) $\sqrt[9]{2 x}$
D) $\sqrt[9]{x^{2}}$