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Find the range of f(x)=sgn(x^2-2x+3)dot...

Find the range of `f(x)=sgn(x^2-2x+3)dot`

A

{1, -1}

B

{1}

C

{-1}

D

None the these

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The correct Answer is:
B
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DISHA PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE - 2
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  2. The domain and range of the relation R given by R = {(x, y) : y = x...

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  3. Find the range of f(x)=sgn(x^2-2x+3)dot

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  4. The domain of definition of the function y(x) is given by the equation...

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  5. A, B and C are three different sets and Axx(BcapC)=(A xxB)cap(AxxC). J...

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  6. Let f be a function on R given by f(x) = x^(2) and let E = {x in R: - ...

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  7. Let f(x)=x/(1+x^2) and g(x)=(e^-x)/(1+[x]), where [x] is the greatest ...

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  8. The relation R defined on the set A = {1, 2, 3, 4, 5} by R = {(a, b)...

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  9. Let f (x) = [x], where [x] denotes the greatest integer less than or e...

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  10. Define relations R(1) and R(2) on set A = [2,3,5,7,10] as xR(1)y is 2x...

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  11. A relation R is defined in the set Z of integers as follows (x, y ) in...

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  12. The domain of the function f(x)=sqrt(x^(2)-5x+6)+sqrt(2x+8-x^(2)) , ...

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  13. The real valued function f(x)=(a^x-1)/(x^n(a^x+1)) is even, then the v...

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  14. the value of the function f(x)=(x^2-3x+2)/(x^2+x-6) lies in the inter...

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  15. The domain of f (x) = log (|x - 2 | - 2 | - 1) is

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  16. If f:R to R satisfies f(x+y)=f(x)+f(y), for all x, y in R and f(1)=7,...

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  17. Find the domain of the following functions: f(x)=sqrt((2/(x^2-x+1)-1/(...

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  18. Which of the following functions is even,

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  19. If f(1) = 1 and f(n + 1) = 2 f(n) + 1, if n ge 1, then f(n) is.

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  20. The range of the function f(x)= (x^2-x+1)/(x^2+x+1) where x in R, is

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