The function f( x) = 2x is
a) one-one
b) many-one
c) one-many
d) many-many.
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1
Answer:
one one
Step-by-step explanation:
f(x1)=2x1
f(x2)=2x2
putting f(x1)=f(x2)
then 2x1=2x2
x1 =x2
hence, if f(x1)=f(x2), x1=x2
:.function f is one - one
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