When outputs remain distinct
When outputs remain distinct
4 marks
TGM Original
For real a, a rule maps x in -1,0,1 by f(x)=ax+2. Determine all values of a for which it is one–one. Describe the mapping for the remaining value.
Solution:
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Answer:One–one for \(a\ne0\); many–one for \(a=0\).
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