Mathematik-Online problems: Problem 4: Solving Inequations

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	Mathematik-Online problems:
	Problem 4: Solving Inequations

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

For which $x\in {\mathbb{R}}$ the following relations hold?

a)	$\vert x - 5\vert \leq 3$	b)	$\vert x - 5\vert = 2 x$	c)	$\vert x - 5\vert \leq -x$	d)	$x \leq x^2$
e)	$\displaystyle \left\vert \frac{2x-1}{2-x}\right\vert \leq 1$	f)	$\displaystyle \left\vert \frac{1}{x}\right\vert + \frac{3}{2x} \geq 5$	g)	$x^2-1 \leq x + 1$

(Authors: Kirchgaessner/Brenner/Höfert)

automatisch erstellt am 29. 7. 2009