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The function: R rarr R , defined as f(x)...

The function: `R rarr R` , defined as `f(x)={{:(1,"if" x gt 0),(1,"if" x = 0),(-1,"if" x lt 0):}` is

A

Injective

B

Surjective

C

Neither Injective nor Surjective

D

Surjective and Injective

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XII BOARDS PREVIOUS YEAR-CUET MOCK TEST 2022-Question
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  2. Let R be the relation in the set N given by R={(a,b),b=a+3,bgt4}. Whic...

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  3. The function: R rarr R , defined as f(x)={{:(1,"if" x gt 0),(1,"if" x ...

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  4. If f: R rarr R is given by f(x) = (3-x^(3))^(1//3) then f@f (x) is

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  7. A system of Linear equations represented in matrix form AX=0, A is ma...

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  8. If=[(cosalpha,sinalpha),(-sinalpha,cosalpha)] thhen A'A is

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  9. Which one of the following is incorrect.

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  10. The inverse of matrices A. Where A =|(2,5),(1,3)| is

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  11. If A is a square matrix such that A^2 = A, then (I + A)^3 – l is equal...

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  12. Statement I: If any two rows(or columns) of a determinant are identica...

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  13. Let A be a square matrix of order n xxn, then |kA| is equal to

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  14. For what value of k,Points (1,3),(3,9) and (0,k) are collinear

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  16. For what value ofk, the system of linear equations 3x-y-2z=2, 2y-kz=1,...

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  18. The function f(x) = [x], where [x] = greatest integer of

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  19. The value of integral int(-1)^(1)|x|dx is

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