.
Inverse Functions
Problem 1.2 (complexity 1). Solution
Given:
Find:
Solution
1.
y
=
Write
y
instead of
f(x)
.
2.
x
=
Interchange
x
and
y.
3.
=
x
Solve the equation
x = f(y)
for
y.
=
y
=
4.
f
-1
(x)
=
Write
f
-1
(x)
instead of
y.
Answer:
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