QCEVault

Functions and relations — Question 227

Original QCE Vault practice · 1 mark

Q227 · Practice questionTechnology-activeComplex familiar1 mark

QUESTION 227

If f(x)=2x−5f(x)=2x-5, then f−1(x)f^{-1}(x) is
(A)
x−52\frac{x-5}{2}
(B)
2x+52x+5
(C)
5−2x5-2x
(D)
x+52\frac{x+5}{2}
Question linkSyllabus coverage

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