Functions
Question
Find the range for the following functions.
- f(x) = x + 1 where x >= 0
- f(x) = x2 + 3 where x <= 0
- f(x) = 2/x where x >= 1
Guide:
Domain – The set of inputs for a function
Range – The corresponding set of output numbers for a given domain.
Answer
- f(x) >= 1
- f(x) >= -5
- 0 < f(x) <= 2
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