hugbug3496 hugbug3496
  • 11-08-2018
  • Mathematics
contestada

Find the domain of the function. (enter your answer using interval notation.) f(x) = x + 6 if x ≤ −2 x2 if x > −2

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sqdancefan
sqdancefan sqdancefan
  • 24-08-2018

The domain is the union of all of the "if" parts of the function definition. These are telling you where the function is defined, which is what the domain is.

... (-∞, -2] ∪ (-2, ∞) = (-∞, ∞)

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