If the function rule is to divide by 10, and there is an output value is 7.2, what is the input value?

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24-05-2017
Mathematics

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If the function rule is to divide by 10, and there is an output value is 7.2, what is the input value?

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JonHenderson55 JonHenderson55 · Answer 1 · 2017-05-24T09:28:03+02:00

JonHenderson55 JonHenderson55

24-05-2017

The answer is: "72" .
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(input value, or "x") / 10 = y = f(x);

When y = 7.2, what is the value of "x" ?

x / 10 = 7.2 ;

x = (7.2) * 10 = 72 .
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