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Find the domain and range of the followi...

Find the domain and range of the following function :
`f : R rarr R , f(x) = -|x|`

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The correct Answer is:
Domian = R, Range `={x inR,x le 0}`
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KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -Practice Work
  1. R is relation in N xxN as (a,b) R (c,d) hArr ad = bc. Show that R is a...

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  2. The relation R defined in the set N of natural number as AAn,minN if o...

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  3. Find the domain and range of the following function : f : R rarr R ...

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  4. Find the domain and range of the following function : f : R rarr R ...

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  5. Find the domain and range of the following function : f: R rarr R ,...

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  6. Find the domain and range of the following function : f : R rarr R...

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  7. Find the domain and range of the following function : f: R rarr R ,...

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  8. f:R rarr R , f(x) = {(12x+5,x gt1),(x-4,xle1):} then find f(0),f(-1/2)...

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  9. Check the injectivity and surjectivity of the following functions . ...

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  10. Check the injectivity and surjectivity of the following functions . ...

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  11. Check the injectivity and surjectivity of the following functions . ...

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  12. Show that the function f : R rarr {x inR:-1lt x lt1} defined by f(x) ...

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  13. f:Z rarrZ , f(n) ={{:((n+2)," if n is even"),((2n+1)," if n is odd" )...

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  14. f:NxxNrarrN , f("(m,n)")=m+n . If f one one and onto ?

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  15. Show that f: R rarr R , f(x) = x/(x^(2)+1) is not one one and onto fun...

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  16. f: R rarr R , f(x) =x^(2)+1. Find the preimage of 17 and -3.

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  17. f : R rarr R , f(x) ={{:(2x,xgt3),(x^2,1ltxle3),(3x,xle1):} then find...

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  18. Is g= {(1, 1), (2,3), (3,5), (4,7)} a function, justify. If this is de...

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  19. The functions f and g are defined as follow : f = {(1,2),(3,5),(4,1) }...

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  20. For functions f: A rarr B and g : B rarr A , gof = IA . Prove that f i...

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