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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.A.1, HSF-BF.A.1c
Author: nsharp1
Created: 5 years ago

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Functions and Relations Question

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Grade 11 Functions and Relations CCSS: HSF-BF.A.1, HSF-BF.A.1c

For f(x)=√x-1 and g(x)=x2+5, find (f∘g)(x) and state its domain.
  1. |x-1|+4,  ℝ
  2. √x2+4,  ℝ
  3. √x2+4,  -2≤x≤2
  4. √x2+4,  x≥1