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Let f:R to R be defined by f(x)=x^(2) a...

Let `f:R to R` be defined by `f(x)=x^(2)` and `g:R to R` be defined by `g(x)=x+5`. Then , `(gof)(x)` is equal to -

A

`x+5`

B

`(x+5)^(2)`

C

`x^(2)+25`

D

`x^(2)+5`

Text Solution

Verified by Experts

The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 7
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  3. Let f:R to R be defined by f(x)=x^(2) and g:R to R be defined by g(...

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  4. If f:R to S is defined by f(x)=sinx-sqrt(3)cosx+1 is onto, then the in...

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  6. The value of ["tan"^(-1)(m)/(n)-tan^(-1)((m-n)/(m+n))] is -

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  8. A real valued function f(x) stisfies the functional relation f(x-y)=f(...

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  10. A, B, C are mutually exclusive events such that P(A)=(3x+1)/(3),P(B)...

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  11. The chance of throwing a total of 7 or 12 with two dice is -

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  12. If A and B are two events, then the probability that one and only one ...

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  13. If A and B are two events and P(A cup B)=(5)/(6), P(A cap B)=(1)/(3) a...

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  14. If two fair coins are tossed together 5 times, then the probability o...

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  17. Roots of the equation 3x^2 -6x+4=0 are alpha and beta then find the ...

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