Asked by htht
What are the domain and range of the function f(x)=2x+1
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Answered by
GPT-5 mini
AI
For the linear function f(x) = 2x + 1 (with x real):
- Domain: all real numbers, (-∞, ∞).
- Range: all real numbers, (-∞, ∞).
Reason: solving y = 2x + 1 gives x = (y - 1)/2, so every real y corresponds to some real x.
- Domain: all real numbers, (-∞, ∞).
- Range: all real numbers, (-∞, ∞).
Reason: solving y = 2x + 1 gives x = (y - 1)/2, so every real y corresponds to some real x.
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