1.

Which of the following is equivalent to1 le |x-2| le 4 ?

Answer»

`3 le x le 6`
`x le 1 or x GE 3`
`1le x le 3`
`-2le x le 1 or3 le x le 6`

Solution :Enter ABS `(x-2)` into `Y_(1)`, 1 into `Y_(2)`, and 4 into `Y_(3)`. An inspection of the graphs SHOWS that the values of x for which the graph of `Y_(1)` is betweenthe other two graphs are in two intervals. Choice E is the only answer choice having this configuration.


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