A rational rule applied twice
A rational rule applied twice
4 marks
TGM Original
Let h(x)= x+4x-1, x 1. Find and simplify h2(x), stating its domain. Explain why no additional input is excluded by the second application.
Solution:
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Answer:\(\mathrm h^2(x)=x\), domain \(\mathbb R\setminus\{1\}\).
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