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if-f-x-x-and-g-x-2x-3-Find-the-domain-of-gof-

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Question Number 32490 by NECx last updated on 26/Mar/18
if f(x)=∣x∣ and g(x)=2x−3.Find the domain of gof
iff(x)=∣x∣andg(x)=2x−3.Findthedomainofgof
Answered by MJS last updated on 26/Mar/18
g○f=g(f(x))=2∣x∣−3 domain: x∈R range: x∈R∧x≧−3
g∘f=g(f(x))=2∣x∣−3domain:x∈Rrange:x∈R∧x≧−3

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