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

`f:R rarr R,` function f(x) is defined as `f(x)= 2x +|x|` then `f(2x)+f(-x)-f(x)` = ...........

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`2|x|`
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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Relations and Functions (Fill in the blanks)
  1. Value of [-2.3] is ….....

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  2. Graph of the function f : R rarr R,f(x)=3x+5 is …. .

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  3. f:R rarr R, function f(x) is defined as f(x)= 2x +|x| then f(2x)+f(-x)...

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  4. f:R-{0}rarrR-{0},f(x)=4x^3+3x^2+3x+4" then " x^3 f(1/x)= .......

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  5. Function f defined on Z to Z as f = {(1,1),(2,3),(3,5),(4,7)} and f(x)...

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  6. Function f and g defined on R-{0}rarrR as f(x)=x and g(x)=1/x" then "...

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  7. Function and g defined on RrarrR" as "f(x)=x^2+7 and g(x)=3x+5. Then f...

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  8. R1={(x,y)|y=2x+7,yin R and x in [-5,5]} Then range of R1 …...... .

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  9. f and g are real functions defined by f(x)= 2x + 1 and g(x) =4x -7. If...

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  10. f and g are real functions defined by f(x)= 2x + 1 and g(x) =4x -7. If...

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  11. f(x) is linear function of the type mx + c and f(-1) = -5 and f(3) = 3...

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  12. Find the domain of the function f(x) =(x^(2)+2x+1)/(x^(2)-8x+12)

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  13. The temperature in Celsius in the particular day in city is given by t...

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  14. If f(x)=(1-x)/(1+x)" then "f(x)+ f(1/x)=...... where (x)in R-{0,1}.

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  15. If f(x)=(ax+b)/(a+bx)"then"f(x).f(x).f(1/x)=.... . (where x ne 0)

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  16. If f(x)=(1-x)/(1+x) " then " x=..... .

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  17. If f(x)=sinx" then " 2f(x).f(90-x)=.... .

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  18. The function 't' which maps temperature in degree Celsius into tempera...

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  19. If the order pairs (x+1, y-2) and (3,10) are equal then respective val...

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  20. A and B are non null sets. Any one out of A and B is infinite then A x...

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