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AoPS
MATHEMATICS · Multi-part · AoPS · Mathematics · Functions · Functions
Problem
If
f
(
x
)
=
2
x
−
x
2
f(x)=2x-x^2
f
(
x
)
=
2
x
−
x
2
, find: (1)
f
(
2
)
f(2)
f
(
2
)
(2)
f
(
−
3
)
f(-3)
f
(
−
3
)
(3)
f
(
−
1
2
)
f\left(-\frac12\right)
f
(
−
2
1
)
Related theory
Algebra of Functions
Functions
Algebra
Types of functions and their graphs
Relations and Functions
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