Precalculus Functions

Which set of values is not a function?

• (9,5) (10,5) (4,-5) (8,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (-5, -7) (1, 4)

f(x)=2x+1
If f(x)=4, what is the value of x?

• 3/2

• 2

• 1/2

• 4

What is the range?

• {-3, -2, 0, 2, 3}

• [-4, 5)

• (-3, 3)

• [-3, 3]

What is the domain?

• (-4, 5]

• [-4, 5)

• (-3, 3)

• {-4, 0, 5}

Use the graph to identify any maximum or minimum values and determine what intervals are increasing or decreasing.

• [0,-2]

• [0,4]

• [-4,0]

• [-2,0]

Use the graph to identify any asymptotes.

• VA: x = 1

  No Horizontal Asymptote

• VA: x = 1

  HA: y = -2

• HA: y = 1

  No Vertical Asymptotes

• VA: x = -2

  HA: y = 1

• 
• 
• 
• 
• 

Cosecant is the reciprocal of what function?

• Secant

• Sine

• Cosine

• Tangent

Secant is the reciprocal of what function?

• Cosecant

• Sine

• Cosine

• Tangent