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f(x)=3x^(2), g(x)=h(x)=3x^(2)+3. The val...

`f(x)=3x^(2), g(x)=h(x)=3x^(2)+3`. The value of `f(x) g(x)` differ from the corresponding values of h (x) approximately by what value

A

9

B

5

C

3

D

Cannot be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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DISHA PUBLICATION-FUNCTIONS-Practice Exercises (Foundation Level)
  1. Find fof " if " f(t)=t//(1+t^(2))^(1//2).

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  2. If 0 lt x lt 1000 and [(x)/(2)] +[(x)/(3)]+[(x)/(5)] =(31)/(30)x, whe...

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  3. f(x)=3x^(2), g(x)=h(x)=3x^(2)+3. The value of f(x) g(x) differ from th...

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  4. If f(x)=|x| and g(x)=[x], then value of fog(-(1)/(4)) +gof (-(1)/(4)) ...

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  5. If f (x) is an even function, then the graph y = f (x) will be symmetr...

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  6. Find the maximum value of the function 1//(x^(2)-3x+2).

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  7. The domain of definition of y=[log(10)((5x-x^(2))/(4))]^(1//2) is

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  8. If f(t) =sqrt(t), g(t)=t//4 and h(t)=4t-8, then the formula for g(f(h(...

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  9. If f(x)=5x^(3) and g(x)=3x^(5), then f(x).g(x) will be

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  10. If f(x)={(1-x",", 0 le x le 2),(x-1",", 2 le x le 4),(1",", 4 le x le ...

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  11. Given f(x)=log((1+x)/(1-x)) and g(x) = (3x+x^(3))/(1+3x^(2)), then fog...

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  12. If x + (1)/(x) ne 0 and x ^(3) + (1)/(x ^(3)) =0 then the value (x + (...

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  13. The graph of y = (x + 3)^(3) + 1 is the graph of y = x^(3) shifted

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  14. Which of the following is not an even function?

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  15. Let f (x) = |x – 2| + |x – 3| + |x – 4| and g(x) = f (x + 1). Then

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  16. Which of the following functions is inverse of itself?

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  17. Find the value of f(f(-2)), if f(x)=(x)/(x+1)

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  18. Find the value of f (f ( f (3))) + f ( f (1)), if f(x)={((x)/(x+1),,...

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  19. If f(x)=log {(1+x)/(1-x)}, then f(x)+f(y) is

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  20. Let f(x) =ax^(2) -b|x|, where a and b are constants. Then at x = 0, f...

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