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Question

Find the range and domain of the following functions:
Y = sq.root x + 9
y = sq.root 1/x - 2

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Solution

Assuming the question as:y=x+9Finding non negative values for radicals : gxgx0x+90x-9Domain interval : [-9,)Range:The range of an radical functionof the form cax+b+kis hxkk=0hx0Interval notation : [0,)
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