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Let f={(1,a),(2,b),(3,c),(4,d)} and g={(...

Let f={(1,a),(2,b),(3,c),(4,d)} and g={(a,x),(b,x),(c,y),(d,x)} Determine gof and fog if possible. Test whether fog=gof.

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Let f= {(1,3),(2,4),(3,7)} and g ={(3,2),(4,3),(7,1)} Determine gof and fog if possible . Test whether fog =gof.

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If A = {a,b,c,d} and the function f = {(a,b),(b,d),(c,a),(d,c)}, then write f^(-1) .

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If f(x)=sqrtx and g(x)=1-x^2 , then find gof and fog. If h(x)=1-x , then whether gof=h?

If the mappings f and g are given by f={(1,2),(3,5),(4,1) and g={(2,3),(5,1),(1,3)}, then write fog.

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ARIHANT PUBLICATION-RELATIONS AND FUNCTIONS -ODISHA BUREAU.S TEXTBOOK SOLUTIONS ( Exercise 1 (b))
  1. Give an example of a function which is Surjective but not injective.

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  2. Prove that the following sets are equivalent {1, 2, 3, 4, 5, 6.....}...

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  3. Let f={(1,a),(2,b),(3,c),(4,d)} and g={(a,x),(b,x),(c,y),(d,x)} Determ...

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  4. Let f= {(1,3),(2,4),(3,7)} and g ={(3,2),(4,3),(7,1)} Determine gof ...

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  5. "Let" f(x) =sqrtx "and" g(x) = 1 -x^2.Find natural domains of f and g.

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  6. "Let" f(x) =sqrtx "and" g(x) = 1 -x^2. Compute fog and gof and find th...

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  7. "Let" f(x) =sqrtx "and" g(x) = 1 -x^2.Find natural domain of h(x) = 1-...

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  8. Let f(x) = sqrt(x) and g(x) = 1 -x^(2). Show that hgof only on R(0)=...

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  9. Find the composition fog and gof and test whether fog = gof when f and...

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  10. Find the composition fog and gof and test whether fog = gof when f and...

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  11. Find the composition fog and gof and test whether fog = gof when f and...

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  12. Find the composition fog and gof and test whether fog = gof when f and...

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  13. Let f be a real function. Show that h(x) =f(x)=f(-x) is always an even...

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  14. Express each of e^x function as the sum of an even function and an odd...

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  15. Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below hav...

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  16. Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below hav...

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  17. Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below hav...

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  18. Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below hav...

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  19. Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below hav...

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  20. Let f: X rarr Y If there exists a map g:Y rarr X such that gof = id...

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