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If x is an integer and y=-12 x^{-3}
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16 Aug 2025, 00:46
16 Aug 2025, 00:46
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If $\(x\)$ is an integer and $\(y=-12 x^{-3}\)$, what value of $\(x\)$ will result in the greatest possible value of $\(y\)$ ?
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\(-1\)
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Re: If x is an integer and y=-12 x^{-3}
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24 Aug 2025, 08:00
24 Aug 2025, 08:00
1
y = -12*x^-3
so for y to be max then x has to have a value that turns the -ve to +ve but also has to be an integer.
-1 is the only integer than can do this
so for y to be max then x has to have a value that turns the -ve to +ve but also has to be an integer.
-1 is the only integer than can do this
gmatclubot
Re: If x is an integer and y=-12 x^{-3} [#permalink]
24 Aug 2025, 08:00
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