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Algebra (all content)

Course: Algebra (all content) > Unit 7

Lesson 8: Piecewise functions
Math
Algebra (all content)
Functions
Piecewise functions
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Evaluate piecewise functions

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Problem

f(x)={−x−4,x<3x2−7,3≤x≤10120x+5,x>10
f(4)=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
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