48 Answered Questions for the topic Interval
03/16/15
Need help solving the following equations on the interval (0,2pi)?
I'm having a lot of trouble trying to solve the equations algebraically on the interval (0,2pi). Any help is greatly appreciated!
1) tanx= 0
2) 4sin^2x-1=0
Find the average value of the function
Find the average value of the function f(t)=-5te(-t^2) on the interval [0,5].favg=?
01/28/15
Calculate Rn for f(x)=(-x^2/3)+7 on the interval [0,4]
Consider the function f(x) = (x^2 / 2) + 7 In this problem you will calculate (low: 0, up: 4) ((-x^2 / 3) + 7)*dx by using the definition (low:a, up:b) f(x)dx = lim n-->inf [ (bottom: i=1, top:...
more
10/18/14
For the function, find the intervals where the function is increasing, decreasing, or constant.
The function is: R(x)= (x+2)2 if x<-1
-x if x≥-1
Thanks in advanced.
Interval
08/07/14
solve equations on the interval
Solve each equation on the interval 0<Θ<2pi
a) 1-sin(Θ)=1/2
b) 2sin^2(Θ)-1=0
c) tan2(Θ) =-1
d) cos3(Θ)=1
How far south of P should Q be located in order to minimize the total construction costs?
A small resort is situated on an island off a part of the coast of Mexico that has a perfectly straight north-south shoreline. The point P on the shoreline that is closest to the island is exactly...
more
Find the average or mean slope of the function on this interval.
Consider the function f(x)=3x3-5x on the interval [-5,5]. Find the average or mean slope of the function on this interval.
By the mean value theorem, we know there exists at least one c in the...
more
06/18/14
Find A,B and C.
Consider the function f(x)=5x+6x-1. For this function there are four important intervals (-infinity, A], [A,B), (B,C), and [C, infinity) where A and C are the critical numbers and the function is...
more
06/18/14
Determine the x-coordinates of all inflection points of f.
Let f(x)= (7x-2)/(x+2). Find the open intervals on which f is concave up (down). Then determine the x-coordinates of all inflection points of f.
1. f is concave up on the intervals=
2. f is...
more
Determine the x-coodinates of all relative maxima (minima)
Let f(x)=4x3+5. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima).
1. f is increasing on the intervals=
2. f is...
more
Find the average or mean slope of the function on this interval
Consider the function f(x)=2√x +1 on the interval [2,7]. Find the average or mean slope of the function on this interval.
By the mean value theorem, we know there exists a c in the open interval...
more
Find the average or mean slope of the function on this interval
Consider the function f(x)=6-7x2 on the interval [-4,5]. Find the average or mean slope of the function on this interval
(f(5)-f(-4))/(5-(-4))=
By the Mean Value Theorem, we know there exists a...
more
Find the average or mean slope of the function on this interval.
Consider the function f(x)=2√(x)+1 on the interval [2,7]. Find the average or mean slope of the function on this interval. By the mean value theorem, we know there exists a c in the open interval...
more
Find the average or mean slope of the function on this interval.
Consider the function f(x)=1/x on the interval [3,9]. Find the average or mean slope of the function on this interval.
By the mean value theorem, we know there exists a c in the open interval...
more
Find the average or mean slope of the function on this interval
Consider the function f(x)=3x3-5x on the interval [-5,5]. Find the average or mean slope of the function on this interval.
By the mean value theorem, we know there exists at least on c in the open...
more
06/15/14
Tell whether the function is increasing or decreasing
Consider the function f(x)=5x+6x-1. For this function there are four important intervals: (-infinity,A], [A,B), (B,C), and [C,infinity) where A and C are the critical numbers and the function is...
more
06/12/14
On which two intervals is the function increasing
For x E [-11,11] the function f is defined by
f(x)=x6(x-2)5
1) On which two intervals is the function increasing?
2)Find the region in which the function is positive
3)Where does the function...
more
Find the domain in interval notation
What is the domain in interval notation of
y=ln(x^2-1x-20)
Use interval notation to indicate the domain of F(x)
f(x)= 4√(x^2-8x)
find the domain in interval notation
01/03/14
Find all solutions in the interval [0,2pi): tan^2x + (sqrt3-1)tanx-sqrt3 = 0
This is for my trig class. Thanks for the help!
Interval All Possible Values
11/10/13
solve the equations below in radians
solve the equations below in radians and find all possible values for t in the interval 0≤t≤2pi
cos(t)=0 when t=
sin (t)= 1/2 when t =
cos (t)= √3/2 when t=
tan (t)= -1 when t=
*each...
more
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.