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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.B.4, HSF-BF.B.4b
Tags: HSF-BF.B.4b
Author: HTPhysics
Created: a month ago

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Grade 11 Functions and Relations CCSS: HSF-BF.B.4, HSF-BF.B.4b

Why isn't g(x) = x² the inverse of f(x) = |x|?
  1. Because h(x) ≠ h₂(x)
  2. Because f(g(-1)) = 1 ≠ -1
  3. Because their domains differ
  4. Both a and b