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For the function
MATHEMATICS · Single correct · AoPS · Mathematics · Functions · Functions
Problem
For the function
f
(
x
)
=
x
2
−
9
x
−
3
f(x)=\dfrac{x^{2}-9}{x-3}
f
(
x
)
=
x
−
3
x
2
−
9
, calculate
f
(
5
)
f(5)
f
(
5
)
. (a)
16
16
16
(b)
8
8
8
(c)
−
8
-8
−
8
(d)
2
2
2
Related theory
Algebraic Manipulation
Algebra of Functions
Functions
Algebra
Relations and Functions
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