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Domain , Range of f(x) =|x| + |x+1| are ...

Domain , Range of `f(x) =|x| + |x+1|` are respectively:

A

`R-[1], [0, infty)`

B

`R-{-1], (0, infty)`

C

`R, (1, infty)`

D

`R, [1, infty)`

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The correct Answer is:
D
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AAKASH SERIES-FUNCTIONS -EXERCISE -I
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  2. Let A={x in R : x ne 0, -4le xle4} and f:A rarrR is defined by f(x)=(|...

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  3. Domain , Range of f(x) =|x| + |x+1| are respectively:

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  4. f and h are form A into B where A={a,b,c,d}, B={s,t,u} defined as f(a)...

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  5. A = {1, 2, 5, 6, 11}, B = {2, -1, 1, 0, 11, 108} and f(x) x^(2)-x-2, t...

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  6. The function f: N to N defined by f(n) =2n+3 is

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  7. f: N to A where N is the set of natural numbers and A is the set of e...

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  8. Define f:Z rarrZ by f(x)={{:(x//2,"(x is even)"),(0,"(x is odd)"):} th...

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  9. If f:[0,infty) to R defined by f(x) = x^(2), then f is

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  10. Let X and Y be subsets of R, the set of all real numbers. The function...

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  11. If f: A to A is defined by f(x) =x^(3), where A ={x//-1 le x le 1}, th...

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  12. The function cos(3x-4) defined from R to R is:

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  13. A is a finite set and B is a singleton set. Then f: A to B is:

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  14. Set A has n elements. The number of functions that can be defined from...

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  15. The number of one one functions that can be defined from {1, 2, 3, 4}...

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  16. Let n(A) = 4 and n(B) = k. The number of all possible injections from ...

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  17. Let n(A) = 4 and n(B) = 5. The number of all possible many-one functio...

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  18. Set A contains 3 elements and set R contains 2 elements. The number of...

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  19. Let A = {1, 2, 3,--------n} and B = {a, b, c], the number of functions...

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  20. Set A has 3 elements. Set B has 4 elements. The number of surjections ...

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