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Find the domain of f(x)=sqrt(((1-5^x)/(7...

Find the domain of `f(x)=sqrt(((1-5^x)/(7^(-x)-7)))`

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CENGAGE PUBLICATION-RELATIONS AND FUNCTIONS-All Questions
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  2. If f(x)=sinx+cosx and g(x)=x^2-1, then g(f (x)) is invertible in the ...

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  3. Find the domain of f(x)=sqrt(((1-5^x)/(7^(-x)-7)))

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  4. If f is the greatest integer function and g is the modulus function, t...

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  5. If the functions f(x)a n dg(x) are defined on R rarr R such that f(x)=...

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  6. Suppose that g(x)=1+sqrt(x) and f(g(x))=3+2sqrt(x)+xdot Then find the ...

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  7. Let f: R->R \ w h e r e \ f(x)=(x^2+4x+7)/(x^2+x+1) . Is f(x) \ on e \...

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  8. X and Y are two sets and f: X->Y If {f(c)=y; c subX, y subY} and {f^(-...

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  9. The function f(x) is defined in [0,1] . Find the domain of f(t a nx)do...

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  10. Find the equivalent definition of f(x)=max{x^2,(1-x)^2,2x(1-x)}where ...

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  11. If y=f(x)=((x+2))/((x-1)),t h e n (a) x=f(y) (b) f(1)=3 (c)y increa...

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  12. Find the period of (|sin4x|+|cos4x|)/(|sin4x-cos4 x|+|sin4x+cos4x|)

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  13. Consider the function: f(x)=m a xdot{1,|x-1|, min {4,|3x-1|}}AAx in ...

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  14. Let g(x) be a function defined on[-1,1]dot If the area of the equila...

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  15. Find the domain of the function: f(x)=cos^(-1)(1+3x+2x^2)

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  16. Find the period of f(x)="sinx+tan"x/2+"sin"x/2^2"tan"x/2^3+...+"sin"x/...

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  17. The domain of the function f(x)=sin^(-1)(x-3)/sqrt(9-x^2) is

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  18. If f(x)=cos[pi^2]x +cos[-pi^2]x , where [x] stands for the greatest in...

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  19. Find the period of f(x)=sin((pix)/(n !))-cos((pix)/((n+1)!))

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  20. Find the domain of the function: f(x)=(sin^(-1)x)/x

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