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Let f':N rarr R be a function defined a...

Let `f':N rarr R` be a function defined as `f'(x) = 4x^(2) + 12x + 15` . Show that `f:N rarrS` , where, S is the range of f, is invertible. Find the inverse of f.

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The correct Answer is:
`f^(-1)=g`
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KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -Textbook Illustrations for Practice Work
  1. Let f:N rarr Y be a function defined as f(x) = 4x + 3, where, Y = { y...

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  2. Let Y = {n^(2) :n in N} subN Consider f: N rarr Y as f(n) = n^2 . Sh...

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  3. Let f':N rarr R be a function defined as f'(x) = 4x^(2) + 12x + 15 . ...

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  4. Consider f: N rarr N,g :N rarr N and h: Nrarr R defined as f(x) = 2x, ...

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  5. Consider f: {1,2,3} to {a,b,c} and g: {a,b,c} to {apple, ball, cat} de...

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  6. Let S = {1, 2, 3}. Determine whether the functions f:S rarr S defined ...

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  7. Let S = {1, 2, 3}. Determine whether the functions f:S rarr S defined ...

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  8. Let S = {1, 2, 3}. Determine whether the functions f:S rarr S defined ...

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  9. Show that addition, subtraction and multiplication are binary operatio...

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  10. Show that subtraction and division are not binary operations on N.

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  11. Show that ** :Rxx R rarr R given by (a, b) rarr a + 4b^(2) is a bina...

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  12. Let P be the set of all subsets of a given set X. Show that cup: P xxP...

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  13. Show that the VV: RxxR rarr R given by (a, b) rarr max {a, b} and th...

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  14. Show that + : Rxx R rarr R and xx: R xxR rarr R are commutative binar...

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  15. Show that **: RxxR rarr R defined by a^(**) b = a + 2b is not commuta...

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  16. Show that addition and multiplication are associative binary operation...

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  17. Show that ""^** : R xxR rarr R given by a^** b rarr a + 2b is not ass...

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  18. Show that zero is the identity for addition on R and 1 is the identity...

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  19. Show that -a is the inverse of a for the addition operation '+' on R...

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  20. Show that -a is not the inverse of a in N for the addition operation...

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