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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: 2 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

If [math]f(x) = x^2 + 3[/math] and [math]g(x) = sqrt(x-4)[/math] find [math](f@g)(x)[/math] and state its domain.
  1. [math]x-1, \ \ x >= 4[/math]
  2. [math]sqrt(x^2 - 1), \ \ x < -1 or x > 1[/math]
  3. [math]x+1, \ \ x >= 4[/math]
  4. [math]x+1, \ \RR[/math]
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