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The domain of the function: f(x) = lo...

The domain of the function:
`f(x) = log_(3)(18x-x^(2)-77)` is:

A

(7,11)

B

(7,10)

C

(8,11)

D

(8,10)

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-FUNCTIONS -EXERCISE -I
  1. Domain of root(3)(x). cot x is

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  2. The domain of (x+1)/sqrt(x^(2)-5x+6) is:

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  3. The domain of the function: f(x) = log(3)(18x-x^(2)-77) is:

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  4. The domain of log(x)5 is:

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  5. If f(x) =|x/2| is a real function, then f: R to B is a surjection then...

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  6. Let A={x in R : x ne 0, -4le xle4} and f:A rarrR is defined by f(x)=(|...

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  7. Domain , Range of f(x) =|x| + |x+1| are respectively:

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  8. f and h are form A into B where A={a,b,c,d}, B={s,t,u} defined as f(a)...

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  9. A = {1, 2, 5, 6, 11}, B = {2, -1, 1, 0, 11, 108} and f(x) x^(2)-x-2, t...

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  10. The function f: N to N defined by f(n) =2n+3 is

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  11. f: N to A where N is the set of natural numbers and A is the set of e...

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  12. Define f:Z rarrZ by f(x)={{:(x//2,"(x is even)"),(0,"(x is odd)"):} th...

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  13. If f:[0,infty) to R defined by f(x) = x^(2), then f is

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  14. Let X and Y be subsets of R, the set of all real numbers. The function...

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  15. If f: A to A is defined by f(x) =x^(3), where A ={x//-1 le x le 1}, th...

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  16. The function cos(3x-4) defined from R to R is:

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  17. A is a finite set and B is a singleton set. Then f: A to B is:

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  18. Set A has n elements. The number of functions that can be defined from...

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  19. The number of one one functions that can be defined from {1, 2, 3, 4}...

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  20. Let n(A) = 4 and n(B) = k. The number of all possible injections from ...

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