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bazaltina [42]
3 years ago
15

Find the domain of the function. (enter your answer using interval notation.) f(x) = x + 3 if x < −1 −2x if |x| ≤ 1 −2 if x &

gt; 1
Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

The domain of the function is the union of all of the "if" parts of the function definition:

... (-∞, -1) ∪ [-1, 1] ∪ (1, ∞) = (-∞, ∞)

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