Read Inverses from Graphs or Tables
Algebra 2 · Flashcards
ALGEBRA 2 · FLASHCARDS
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QUESTION
Identify the point on
f
−
1
f^{-1}
f
−
1
that corresponds to the
y
y
y
-intercept
(
0
,
c
)
(0,c)
(
0
,
c
)
of
f
f
f
.
QUESTION
What is
f
−
1
(
3
)
f^{-1}(3)
f
−
1
(
3
)
if the graph of
f
f
f
includes
(
−
1
,
3
)
( -1,3)
(
−
1
,
3
)
?
QUESTION
Which value equals
f
−
1
(
y
)
f^{-1}(y)
f
−
1
(
y
)
if a table shows the pair
(
x
,
y
)
=
(
7
,
20
)
(x,y)=(7,20)
(
x
,
y
)
=
(
7
,
20
)
for
f
f
f
?
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ANSWER
f
−
1
(
20
)
=
7
f^{-1}(20)=7
f
−
1
(
20
)
=
7
. The inverse reverses the input-output pair
(
7
,
20
)
(7,20)
(
7
,
20
)
.
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