Posted by Anonymous on Thursday, June 19, 2008 at 1:44am.
R (real numbers as x can equal anything
p(x)=2x-2
give different values for x and find p(X).Then x =domain,& p(X)=co domain
example if x=1`,then p(X)=2.1 -2=0
x=2. thenP(X)=2.2-2= 2
in this case is domain is 1,2
codomain is 0,2
that is 1 mapped to zero
2 mapped to 2
hope it is clear?
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