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Find the intervals in which the following function are increasing or decreasing. `f(x)=10-6x-2x^2`

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RD SHARMA ENGLISH-INCREASING AND DECREASING FUNCTION -All Questions
  1. Find the intervals in which function f(x) = sin x-cos x, 0 lt x lt 2pi...

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  2. Determine the values of x for which the function f(x)=x^2-6x+9 is incr...

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  3. Find the intervals in which the following function are increasing or ...

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  4. Show that f(x)=e^(1/x),x!=0 is decreasing function for all x!=0.

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  5. Show that f(x)=e^(2x) is increasing on Rdot

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  6. Show that f(x)=x^9+4x^7+11 is an increasing function for all x inRdot

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  7. State when a function f(x) is said to be increasing on an interval [a ...

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  8. Determine whether f(x)=-x//2+sinx is increasing or decreasing on (-pi/...

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  9. Show that f(x)=tan^(-1)x-x is decreasing function on Rdot

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  10. Find the intervals in which f(x)=(x+2)e^(-x) is increasing or decreas...

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  11. Prove that the function f given by f(x)=x-[x] us increasing in (0,1)do...

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  12. Show that the function f given by f(x)=10^x is increasing for all xdot

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  13. Without using the derivative, show that the function f(x)=|x| is stric...

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  14. Without using the derivative show that the function f(x)=7x-3 is stric...

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  15. Prove that the function f(x)=(log)a x is increasing on (0,oo) if a &...

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  16. Prove that f(x)=a x+b , where a , b are constants and a >0 is an incre...

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  17. Prove that the function f(x)=(log)e x is increasing on (0,oo)dot

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  18. Show that f(x)=1/(1+x^2) decreases in the interval [0,oo) and increase...

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  19. Show that f(x)=1/x is decreasing function on (0,oo)dot

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  20. Sol v e :(1-x^2)/(5x-6-x^2)<0

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