anonymous
  • anonymous
1. Suppose that x and y vary inversely, and x = 7 when y = 11. Write the function that models the inverse variation. a.) y=1.57x b.) y=77/x c.) y=4/x d.) y=18/x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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KingGeorge
  • KingGeorge
Since they are inversely proportional, you know that\[y=\frac{k}{x}\]for some real number k. You also know that when x=7, y=11. So you have \[11=\frac{k}{7}.\]So you just need to solve for \(k\). That make sense?
anonymous
  • anonymous
so then I would times 7 on each side to get the answer?
KingGeorge
  • KingGeorge
Exactly.

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anonymous
  • anonymous
ty lol so then the answer would be y=77/x?
KingGeorge
  • KingGeorge
Looks right to me.
anonymous
  • anonymous
ty ty ty
KingGeorge
  • KingGeorge
You're welcome.

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