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A function f: Z rarrrZ is defined as be...

A function `f: Z rarrrZ ` is defined as below `f(x) = {:{(x+3, if x is odd),(x/2, if x is even):}`, If k is an odd integer and f(f(k+3)` = 27`, then the sum of the digits of the number k equals.

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MODERN PUBLICATION-INVERSE-TRIGONOMETRIC FUNCTIONS-EXERCISE
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  2. Let f(-pi/2,pi/2) rarr R be given by (log(sec x + tan x))^3. Then

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  3. A function f: Z rarrrZ is defined as below f(x) = {:{(x+3, if x is od...

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  4. The number of linear functions satisfying f(x+f(x))=x+f(x),forall x ...

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  5. If cot^-1 7 + cot^-1 8 + cot^-1 18 = cot^-1 k, then k is

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  6. If f: R rarrR satisfying:f(x-f(y)) = f(f(y) +f(x)-1, for all x, y in R...

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  7. Let a and b be constants f(x) = a sin x + bx cos x + 2x^2 If f(3) = 15...

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  8. Number of solution of the equations: f(x-1) + f(x+1) = sin a, 0 < a , ...

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  9. If A={1,2,3}, B={1,3,5,7,9}, the ratio of number of one-one functions ...

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  10. The value of f(x) = x+2, then f(12)=K ,where K equals

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  11. If a , b are two natural numbers in AP such that a + b = 12 The ...

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  12. If a,b are positive number and product of ab= 2500.The minimum value o...

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  13. If f(x)^2 xx f((1-x)/(1+x)) = 64 x, x ne 0,1 then f(x) is equal to

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  14. If f(x)= 6x+9,then domain of f(x) is

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  15. A relation R on A={1,2,3} given by R={1,2), (1, 2), (3, 3)} is not sym...

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  16. Let ** be a binary operation on N given by a ** b= HCF (a, b), a, b, ...

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  17. Find the value of sin^(-1)(sin""(2pi)/(3))

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  18. Evaluate cot(tan^-1a +cot^-1a)

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  19. Show that the relation R defined by (a, b) R(c,d)implies a+d=b+c in...

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  20. Find fog if f(x) = |x| and g(x) = |5x-2|

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