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4 votes
If f(x)=4x+9+2, which inequality can be used to find the domain of f(x

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User Quarky
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1 Answer

5 votes
first off, the function above is incomplete, however, by the looks of it, likely a quadratic, anyway, the values "x" can safely take on would be all real numbers, thus  -∞ < x < +∞
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User Aaron Lockey
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