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f : R rarr R is a function defined by f ...

f : R `rarr` R is a function defined by f (x) = 10 x - 7. If g = `f^(-1)`, then g(x) equals

A

`(1)/(10x-7)`

B

`(1)/(10x+7)`

C

`(x+7)/(10)`

D

`(x-7)/(10)`

Text Solution

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The correct Answer is:
C
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  16. If f: A->B and g: B->C are one-one functions, show that gof is one-o...

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  17. Let [x] denote the greatest integer less than or equal to x . If f(x...

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  20. If X={1,2,3,4}, then one-one onto mappings f:X to X such that f(1)=1, ...

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