Precalc Unit 2 Test Review Functions and Their Graphs

Is this graph a function or not a function? 

• Function 
• Not a Function 

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)
• (-3,-1)(-4,-2)(-8,-6)
• (1,3)(2,4)(6,8)
• (-1,-3)(-2,-4)(-6,-8)

are these inverse functions?

• no
• yes
• no way to tell

Are these the graphs of two inverse functions?

• Yes
• No
• No way to tell

Mathematical Equivalence

ON

Mathematical Equivalence

ON

f(0) =

• 1

• 0

• -1

• undefined

f(-2) =

• 1

• 4

• -4

• undefined

Describe the transformation that occurred

g(x) =2f(x)

• Up 2 units

• vertical compression

• vertical stretch

• Right 2 Units