If is real, then the range of…

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

If xx is real, then the range of 3x−27x+5\frac{3x-2}{7x+5} is: (a) R∖{25}\mathbb{R}\setminus\left\{\frac25\right\} (b) R∖{37}\mathbb{R}\setminus\left\{\frac37\right\} (c) (−∞,∞)(-\infty,\infty) (d) R∖{−25}\mathbb{R}\setminus\left\{-\frac25\right\}

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