review for Quiz 8 composition of functions looking at graphs

f(1) =

• -1

• 1

• 2

• -2

f(g(3)) =

(a)  

f(h(-4)) =

(a)  

g(h(-4)) =

(a)  

f(g(5)) =

(a)  

Are these functions inverses?

• Yes
• No

Are the blue and red graphs inverse functions?

• yes
• no
• no way to tell

Are these inverse functions?

• no
• yes
• no way to tell

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)

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1