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9966 [12]
9 months ago
5

Suppose that x and y vary inversely, and x = 7 and y=11. Which function models the inverse variation?Answers:Y=1.57xY=77/xY=4/xY

=18/x
Mathematics
1 answer:
sdas [7]9 months ago
5 0

Answer:

Y=77/x

Explanation:

Y varies inversely with x meaning

y\propto\frac{1}{x}

adding a proportionality constant gives

y\propto\frac{k}{x}

Now, we are told that y = 11 and x = 7; therefore, the above gives

11=\frac{k}{7}

Solving for k gives

k=77

Therefore, the function that models the inverse variation is

y=\frac{77}{x}

which is our answer!

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