Finding Inverses of Functions
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Emma Peterson
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the inverse of a function?
Solve for x in terms of y
Switch x and y
Multiply by the reciprocal
Replace f(x) with y
Tags
CCSS.HSF-BF.B.4A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of f(x) = x - 3, what is the inverse function?
f^(-1)(x) = 3 - x
f^(-1)(x) = x - 3
f^(-1)(x) = -x + 3
f^(-1)(x) = x + 3
Tags
CCSS.HSF-BF.B.4A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse of f(x) = x - 3?
f^(-1)(x) = x - 3
f^(-1)(x) = x + 3
f^(-1)(x) = -x + 3
f^(-1)(x) = 3 - x
Tags
CCSS.7.EE.B.4A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is performed to isolate x in the equation y = 4x + 5?
Add 5 to both sides
Divide both sides by 4
Multiply both sides by 4
Subtract 5 from both sides
Tags
CCSS.HSF-BF.B.4A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse of the function f(x) = 4x + 5?
f^(-1)(x) = (x - 5) / 4
f^(-1)(x) = 4x - 5
f^(-1)(x) = 5x - 4
f^(-1)(x) = (x + 5) / 4
Tags
CCSS.HSF-BF.B.4A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of f(x) = 4x + 5, what is the inverse function?
f^(-1)(x) = 5x - 4
f^(-1)(x) = (x + 5) / 4
f^(-1)(x) = 4x - 5
f^(-1)(x) = (x - 5) / 4
Tags
CCSS.HSA.REI.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the rational function example, what is the first step after replacing f(x) with y?
Add 3 to both sides
Divide by 2
Subtract 5 from both sides
Cross-multiply to eliminate the fraction
Tags
CCSS.HSF-BF.B.4A
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