SAT Question 2c88af4d: Equivalent Expressions answer and explanation with Desmos solution

Choice A is incorrect because it is not equivalent to the given expression. For example, for $x=2$ and $y=2$, the value of the given expression is $2^{-\frac{5}{6}}$, but the value of choice A is $2^{-\frac{1}{3}}$.

Choice B is incorrect because it is not equivalent to the given expression. For example, for $x=2$ and $y=2$, the value of the given expression is $2^{-\frac{5}{6}}$, but the value of choice B is $2^{\frac{5}{6}}$.

Choice C is incorrect because it is not equivalent to the given expression. For example, for $x=2$ and $y=2$, the value of the given expression is $2^{-\frac{5}{6}}$, but the value of choice C is $1$.