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Let A = (1,2,3) and B = (2,3,4), then wh...

Let A = (1,2,3) and B = (2,3,4), then which of the following is a function from A to B?

A

(1,2), (1,3), (2,3), (3,3)

B

(1,3), (2,4)

C

(1,3), (2,3), (3,3)

D

(1,2), (2,3), (3,4), (3,2)

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PRADEEP PUBLICATION-RELATIONS AND FUNCTIONS-EXERCISE
  1. Let R be a relation on the set N of natural numbers defined by n R m i...

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  2. Let A = (1,2,3). Which of the following relations is a function from A...

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  3. Let A = (1,2,3) and B = (2,3,4), then which of the following is a func...

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  4. Let A be a finite set containing n distinct elements. The number of fu...

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  5. If the set A contains 5 elements and the set B contains 6 elements, th...

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  6. Set A has 3 elements and the set B has 4 elements. Then the number of ...

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  7. Let N be the set of natural numbers and the function f:N to N be defin...

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  8. Let f : R rarr R be defined by f(x) = 1/x AA x inR, then f is

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  9. Let f : R rarr R be defined by f (x) = x^2 - 3x + 4 for all x in R , ...

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  10. Let f: Rrarr R be defined as f(x) = 2x for all x in N , then f is

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  11. If f is a function from a set A to A, then f is invertible iff f is

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  12. Let f : R rarr R be defined by f(x) = 3x - 4, then f^-1 (x) =

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  13. Let f:[2, infty) to R be the function defined by f(x)=x^(2)-4x+5, then...

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  14. Let f : R rarr R be defined by f(x) = x^2 +1, then, f^-1(17) and f^-1 ...

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  15. Which of the following function from Z to itself are bijections?

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  16. Let f : R rarr R be the functions defined by f(X) = x^3 + 5, then f^-...

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  17. Let f : R - (3/5) rarr R be defined by f(X) = (3x+2)/(5x-3) , then

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  18. Let f : R rarr Rbe given byf(X) = tan x, then f^-1 (1) is

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  19. Let f:R rarr R be defined by f(x)={{:(2x, xgt3),(x^2,1lexlt3),(3x,xl...

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  20. Let f(x)=ax^(2)+bx+c where a,b,c epsilonR, a!=0. Suppose |f(x)|le1,AA ...

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