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GUJCET · Maths · Relations and Functions
\(f: R \rightarrow R , f(x)=3 x+2\) \(g: R \rightarrow R , g(x)=6 x+5\) For given function \(\left(g \circ f^{-1}\right)(10)=\) ____________ .
- A 21
- B 29
- C 7
- D \(\frac{8}{3}\)
Answer & Solution
Correct Answer
(A) 21
Step-by-step Solution
Detailed explanation
\(f^{-1}(x) = \frac{x-2}{3}\) \(f^{-1}(10) = \frac{10-2}{3} = \frac{8}{3}\)
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