Read Inverses from Graphs or Tables
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What property must
f
f
f
have (on its domain) to have an inverse function?
QUESTION
What is the
y
y
y
-intercept of
f
−
1
f^{-1}
f
−
1
if the
x
x
x
-intercept of
f
f
f
is
(
c
,
0
)
(c,0)
(
c
,
0
)
?
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
.
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ANSWER
The point
(
c
,
0
)
(c,0)
(
c
,
0
)
on
f
−
1
f^{-1}
f
−
1
. The
y
y
y
-intercept of
f
f
f
becomes the
x
x
x
-intercept of
f
−
1
f^{-1}
f
−
1
.
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