MATH SAT EXPONENT
It really urgent asap
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[tex]x = k^{-1/3} \\x = \frac{1}{k^{1/3}} \\x = \frac{1}{\sqrt[3]{k}} \\\sqrt[3]{k} = \frac{1}{x} \\k = (1/x)^3\\k = \frac{1}{x^{3}}[/tex]
Answer: A