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Recent questions tagged decreasing functions
+1
vote
1
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Find the value (*) of x for which y = [x(x - 2)]^2 is an increasing function.
asked
Apr 1, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+1
vote
1
answer
Show that , y= log (1+x)- 2x/(2+x),x > =1,is an increasing function of x throughout its domain.
asked
Mar 31, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
application of derivative
increasing functions
class-12
+2
votes
1
answer
Find the intervals in which f(x) = sin 3x - cos 3x, 0 < x < π, is strictly increasing or strictly decreasing.
asked
Mar 30, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+3
votes
1
answer
The function f defined by f(x) = x^3 – 3x^2 + 5x + 7 is (A) decreasing in R. (B) increasing in R.
asked
Mar 24, 2019
in
JEE
by
kratos
applications of derivatives
cbse
decreasing functions
jee
increasing functions
jee mains
class-12
+2
votes
1
answer
Consider the following statements: *: Both sin x and cos x are decreasing functions in (π/2, π)
asked
Mar 5, 2019
in
JEE
by
kratos
applications of derivatives
cbse
jee
decreasing functions
increasing functions
jee mains
class-12
+2
votes
1
answer
The function which is neither decreasing nor increasing in (π/2, 3π/2) (A) cosec x
asked
Feb 27, 2019
in
JEE
by
kratos
applications of derivatives
cbse
decreasing functions
jee
increasing and decreasing functions
increasing functions
jee mains
class-12
+2
votes
1
answer
Find the intervals in which the function f given by f(x) = sin x + cos x, 0 ≤ x ≤ 2π, is strictly increasing or strictly decreasing.
asked
Feb 10, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+2
votes
1
answer
Let f(x) = x^4 – 8x^3 + 22x^2 – 24x – 55 and g(x) = {(min{f(t): x ≤ t ≤ x + } : - 1 ≤ x ≤ 1), (x - 10, : x > 1)
asked
Jan 31, 2019
in
JEE
by
kratos
applications of derivatives
cbse
jee
decreasing functions
application of derivative
jee mains
increasing functions
class-12
differentiability
continuity
+3
votes
1
answer
Find the intervals in which the function f(x) = (x - 1)^3 (x - 2)^2 is
asked
Jan 20, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+3
votes
1
answer
f(x) = x^3 - 27x + 5 is an increasing function, when (A) x < - 3 (B) |X| > 3
asked
Jan 8, 2019
in
JEE
by
kratos
applications of derivatives
cbse
decreasing functions
jee
increasing functions
jee mains
class-12
+1
vote
1
answer
Find the intervals in which the function given by f(x) = x^4 - 8x^3 + 22x^2 - 24x + 21 is (i) increasing,
asked
Jan 6, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+2
votes
1
answer
For which of the following intervals, the given function f(x) = -2x^3 - 9x^2 - 12x + 1 is decreasing?
asked
Dec 10, 2018
in
JEE
by
kratos
applications of derivatives
cbse
jee
decreasing functions
increasing functions
jee mains
class-12
+1
vote
1
answer
Show that y=log (1+x)- 2x/2+x,x>-1 is an increasing function of x throughout its domain.
asked
Nov 29, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
application of derivatives
application of derivative
increasing functions
class-12
+3
votes
1
answer
Find the intervals in which the functions given by f(x) = 2x^3 - 3x^2 - 36x + 7 is (i) Strictly increasing
asked
Nov 27, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+3
votes
1
answer
If f(x) = sinx - cosx, the function decreasing in 0 ≤ x ≤ 2π is (A) [5π/6, 3π/4] (B) [π/4, π/2]
asked
Nov 24, 2018
in
JEE
by
kratos
applications of derivatives
cbse
decreasing functions
jee
increasing functions
jee mains
class-12
+1
vote
1
answer
Separate the intervals [0, π/2] to sub intervals in which f(x) = sin^4x + cos^4x is increasing or decreasing.
asked
Oct 23, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+2
votes
1
answer
If f(x) = x, - 1 ≤ x ≤ 1, then function f(x) is (A) Increasing (B) Decreasing (C) Stationary
asked
Oct 22, 2018
in
JEE
by
kratos
applications of derivatives
cbse
decreasing functions
jee
increasing functions
jee mains
class-12
+3
votes
1
answer
Show that the function f(x) = 4x^3 -18x^2 + 27x - 7 is always increasing or R.
asked
Sep 23, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+1
vote
1
answer
Find the intervals in which the function given by f(x) = sin x + cos x, 0 ≤ x ≤ 2π is
asked
Sep 17, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
increasing functions
class-12
+3
votes
1
answer
Find an angle θ, 0 < θ < π/2, which increases twice as fast as its sine.
asked
Sep 11, 2018
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
application of derivative
increasing functions
class-12
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