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The intervals of increase of f(x) def...

The intervals of increase of `f(x)` defined by `f(x)=int_(-1)^x(t^2+2t)(t^2-1)dt` is equal to `(-oo,(-3)/2)uu(0,3)uu(10 ,oo)` `(-oo,\ -2)uu((-1)/2,1/2)uu(4,oo)` `(-oo,\ -2)uu(-1,0)uu(1,oo)` `(-oo,\ -2)uu((-3)/4,1/4)uu(1,oo)`

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Solution set of the inequation (x^(2)+4x+4)/(2x^(2)-x-1)>0, is x in(-oo,-2)uu(-2,1)x in(-oo,-2)uu(-2,-(1)/(2))uu(1,oo)x in(-oo,-2)uu(-(1)/(2),1)uu(1,oo)x in(-oo,1)

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Find the intervals in which the function f given by f(x) = x^2 - 4x + 6 is strictly increasing: a)(-oo,2) uu (2,oo) b) (2,oo) c) (-oo,2) d) (-oo,2] uu (2,oo)

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Solution set of the inequality log_(0.8)(log_(6)(x^(2)+x)/(x+4))<0 is (-4,-3) (b) (-3,4)uu(8,oo)(-3,oo)(d)(-4,-3)uu(8,oo)

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