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Definition of Function

Let fx be a l...

Question

Let f(x) be a linear function which maps [-1,1] onto [0,2], then f(x) can be

x+1

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-x-1

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-x+1

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x-1

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Solution

The correct option is A x+1
In this we have to do by checking each option
thus we have to find that for the given domain the range of the function should be [0,2]

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