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What are the domain and range of f(x)=(1/5)x

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Answer:

Explanation:

hello :

f(x)=(1/5)x

the domain is : D= ℝ =]-∞ ,+∞[ (linair function)

the range is : E= ℝ =]-∞ ,+∞[ ( f^-1 is linair function)

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