y varies inversely with the square of x. if y is 45 when x is 3 find y when x is f

y varies inversely with the square of x if y is 45 when x is 3 find y when x is f
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1 Answer

?????????? "x is f" ?????????

me assume yu want y=konst / x^2

at x=3, y=45, so 45=konst/ 9

then, konst=9*45

=405
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