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If f(x) = 3x - 9 , state which of the fo...

If f(x) = 3x - 9 , state which of the following is the value of `f(x^2-1):`

A

`3x^2-9`

B

`3x^2-12`

C

`x^2-10`

D

`3x^2-10`

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-RELATION AND MAPPING -Multiple choice question
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  2. Total number of relations that can be defined on set A = {a,b,c} is

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  3. State which of the following is the total number of relations from set...

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  4. Let the relation R on set A = {1,2,3,4,5} be defined as follows: R={...

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  5. Let the relation R on set A = {1,2,3,4} be defined as follows: R={(1...

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  6. Let RR be the set of real numbers and the mapping f:RRtoRR be defined ...

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  7. The total number of relation from the set {p,q} to the set {e,f} ...

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  8. Let A={0,1,2,3,4} and ZZ be the set of integers. If the mapping f:Ato ...

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  9. If A= {-2,1,0,-1,2}, B={-6,-5,-3,0,3} and the mapping f:A to B is defi...

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  10. Let, ZZ be the set of integers and the mapping f:ZZ to ZZ be given by ...

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  11. If f(x+2) =2x^2-3x+5 then f(1) =

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  12. If f(x) = 4^x then f(log(4)x) =

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  13. The total number of relation from the set {1,6,7}} to the set {1,...

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  14. State for which of the following, the two functions f(x) =x and phi(x)...

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  15. If f(x) = 3x - 9 , state which of the following is the value of f(x^2-...

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  16. If f(x-1) = 7x - 5 find f(x) and f(x+2).

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  17. If 2f(x) + 3f(-x)=15-4x, state which of the following is the value of ...

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  18. If 3f(x) + 2f(-x) =5(x-2), state which of the following is the value o...

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  19. If f(x)=log(3)xand phi (x) = x^2 , state which of the following is the...

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  20. The domain of definition of the function f(x)=sqrt(x+3) is :

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