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Problem
#PRU-66354
Problems
Algebra
Functional equations
Calculus
Functions of one variable. Continuity
Functions. Continuity (other)
14–16
3.0
Problem
For all real
x
and
y
, the equality
f
(
x
2
+
y
)
=
f
(
x
)
+
f
(
y
2
)
holds. Find
f
(
−
1
)
.
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