
Inverse Functions
Quiz
•
Mathematics
•
11th Grade
•
Medium
Brittany Hartman
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
When finding the inverse of a relation,
1st: replace f(x) with y 2nd: switch the x's and y's
What do you do next?
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
The inverse of the function f(x) is written as ...
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
F(x) = x + 11
Then use 4 step to find inverse F-1(x)
S1: let F(x) = x + 11
S2: Interchange x <=> y
x = y + 11
S3: Solve for y
11x = y
S4: F(x)-1 = 11x
S1: let y = x + 11
S2: Interchange x <=> y
y + 11 = x
S3: Solve for y
y = x + 11
S4: F(x)-1 = x + 11
S1: let y = x + 11
S2: Interchange x <=> y
x = y + 11
S3: Solve for y
x - 11 = y
S4: F(x) = x
S1: let y = x + 11
S2: Interchange x <=> y
x = y + 11
S3: Solve for y
x - 11 = y
S4: F-1(x) = x - 11
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
f(x) = -4x - 12
What is f-1(x)?
f-1(x) = 4x - 3
f-1(x) = -1/4x - 3
f-1(x) = 1/4x + 3
f-1(x) = -4x - 3
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Which is f -1(x)?
f -1(x) = 3x + 5
f -1(x) = 3x - 5
f -1(x) = 3x - 15
f -1(x) = 3x + 15
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
What is the inverse of the points (1,3)(2,4)(6,2)?
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Find the inverse.
f(x)=2x-2
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