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Solved Examples
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f   y = 3x2 + 4x + 5 increases for all x
   f
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f   The interval in which y = x + 81x increases is   f View Solution
f   y = 5x - e6x increases for all x  DDD View Solution
DDD Find the interval in which y = e5xx + 12 increases. DDD View Solution
DDD Find the interval for which the function f(x) = x2 + 256x2 increases. DDD View Solution
DDD Find the interval in which f(x) = 52x13 + x43 increases. DDD View Solution
DDD Find the interval in which f(x) = 4x4 - 32x2 + 37 increases.
 DDD
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DDD For all real values of x, f(x) = 6x - cos 3x is DDD View Solution
DDD In the interval (- 3, 3), f(x) = x9+x2 is DDD View Solution
DDD For all x (0, ∞), f(x) = e8x-e- 8x2 is DDD View Solution
DDD Find the interval in which y = 6x3 - 27x2 + 36x + 46 decreases. DDD View Solution
DDD f(x) = 9xe- 10x decreases for all x  DDD View Solution
DDD Which of the following is the largest interval in which y = 4x2 + ln |x| decreases?
 DDD
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DDD Which of the following is the largest interval in which y = - tan-13x decreases ? DDD View Solution
DDD The function f(x) = (25 - x2)2 decreases for all x  DDD View Solution
DDD Find the interval in which f(x) = (x - 4)2 + (x - 10)2 decreases.
 DDD
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DDD In (e, ∞), the function y = x7x is
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DDD y = 6x2 + 7x + 8 increases for all x
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DDD The interval in which y = x + 49x increases is DDD View Solution
DDD y = 7x - e8x increases for all x  DDD View Solution
DDD Find the interval in which y = e6xx + 39 increases. DDD View Solution
DDD In which interval does the function f(x) = 6 + 24x - 18x2 + 4x3 increase? DDD View Solution
DDD Find the interval for which the function f(x) = x2 + 2401x2 increases. DDD View Solution
DDD Find the interval in which f(x) = 64x13 + x43 increases. DDD View Solution
DDD Find the interval in which f(x) = 2x4 - 36x2 + 13 increases.
 DDD
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DDD Find the interval in which y = sin (cos x), x (0, 2π) increases. DDD View Solution
DDD In the interval (e, ∞), the function f(x) = xx is DDD View Solution
DDD For all real values of x, f(x) = 7x - cos 4x is DDD View Solution
DDD In the interval (- 9, 9), f(x) = x81+x2 is DDD View Solution
DDD For all x (0, ∞), f(x) = e6x-e- 6x2 is DDD View Solution
DDD Find the interval in which y = 4x3 - 30x2 + 72x + 45 decreases. DDD View Solution
DDD f(x) = 6xe- 7x decreases for all x  DDD View Solution
DDD Which of the following is the largest interval in which y = 2x2 + ln |x| decreases?
 DDD
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DDD Which of the following is the largest interval in which y = - tan-12x decreases ? DDD View Solution
DDD The function f(x) = (64 - x2)2 decreases for all x  DDD View Solution
DDD f(x) = x2+1x decreases in the interval DDD View Solution
DDD Find the interval in which f(x) = (x - 10)2 + (x - 14)2 decreases.
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DDD f(x) = (x - 2)2(x + 1)3 decreases in the interval
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DDD In the interval (0, π2), f(x) = cos (sin x) is
 DDD
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DDD In the interval (-3π4, -π4), f(x) = sinx - cos x is
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DDD In (e, ∞), the function y = x4x is
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DDD For all real values of x, f(x) = - sinh (sinhx) is
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