Evaluation of Functions

• f(x) represents the value of the function at x
• Types of Function:

  Constant Function

  Identity Function

  Polynomial Function

  Linear Function

  Quadratic Function

  Cubic Function

  Power Function

  Rational Function

  Exponential Function

  Logarithmic Function

  Absolute Value Function

  Radical Function

  Greatest Integer Function

  Least Integer Function
• The Greatest Integer Function is also known as the

  Floor Function.
• The Least Integer Function is also known as the

  Ceiling Function.
• Round UP or DOWN:

  2

  1

  4

  8

  
• Round UP or DOWN:

  9

  7

  -11

  3

  
• Evaluate the Function:

  1

  
• Evaluate the Function:

  2

  
• Round UP or DOWN

  3

  2

  5

  8

  
• Round UP OR DOWN:

  10

  3

  -5

  4

  
• Evaluate this function:

  8

  
• Evaluate the Function:

  ANSWER: 8

  
• Evaluate the Function:

  ANSWER: f(-10)=-4

  
• Evaluate the Function:

  ANSWER: g(7) = 19

  
• Evaluate the Function:

  ANSWER: f(-2) = 20

  
• Evaluate the Function:

  ANSWER: f(3) = 6

  
• Evaluate the Function:

  ANSWER: h(-1) = 3

  
• Evaluate the Function:

  ANSWER: j(4) = 6/2

  
• Evaluate the Function:

  ANSWER: f(-5) = -2

  
• Evaluate the Function:

  ANSWER: f(-4.15) = -3