PreCal Compositions & Inverses QUIZ

What are you supposed to do Algebraically to verify that the two functions f(x) & g(x) are inverses of each other?

• Verify the f(g(x)) = x only

• Verify that g(f(x)) = x only

• Verify that BOTH f(g(x)) = x & g(f(x)) = x

Tags

CCSS.HSF-BF.B.4B

• Inverse Functions
• Not Inverse Functions

Tags

CCSS.HSF-BF.B.4B

• Inverse Functions
• Not Inverse Functions

Tags

CCSS.HSF-BF.B.4B

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)

Tags

CCSS.HSF-BF.B.4C

Are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4B

Graph the inverse

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4C

To graph the inverse of a function...

• Rotate it around the origin

• Reflect it across the x-axis

• Reflect it across the y-axis

• Switch the x and y coordinates and plot the new points

Tags

CCSS.HSF-BF.B.4C

Are these functions inverses of each other?

• Yes
• No

Tags

CCSS.HSF-BF.B.4B

Are f(x) =x+6 and g(x) =x-6 inverses?

• Yes

• No

Tags

CCSS.HSF-BF.B.4B

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C