A branch ending before the vertex
A branch ending before the vertex
5 marks
TGM Original
Let f(x)=(2x-3)2+1, x 1. Find its inverse, stating its domain and range. Explain why the inverse domain does not start at 1.
Solution:
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Answer:\(\dfrac{3-\sqrt{x-1}}2\), \(D=[2,\infty)\), \(R=(-\infty,1]\).
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