Question

Check my answer?

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Answer 1

\[y \propto \frac{1}{x}\]

Answer 2

\[y= \frac{k}{x}\]for y=10 x=7, k=70
\[y=\frac{70}{x}\]

Answer 3

so u r right because for x=10
y=\(\frac{70}{10}=7\)