Question 925697
1. Domain is any {{{x}}} value, there are no restrictions.
Domain : ({{{-infinity}}},{{{infinity}}})
The output of the absolute value function is always non-negative. 
It has a minimum value of zero when {{{x=1}}} so the function minimum is 2.
Range : [{{{2}}},{{{infinity}}})
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2. The square root function always gives a non-negative answer, so the value for x will always be negative or zero. 
Domain: ({{{-infinity}}},{{{0}}}]
The value for y can be any positive number or zero.
Range : [{{{0}}},{{{infinity}}})