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WAEC Further Mathematics 2012 Paper
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Question : 38
Total: 40
g
∘
h
is
one- to- one
onto
a relation
a series
Validate
Solution:
The function
y
=
g
(
x
)
is one- to- one but
z
=
h
(
y
)
is not one- to- one but onto.
∴
h
(
g
(
x
)
)
=
o
n
t
o
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