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Alice
Questions and answers by
Alice
, page 6
Questions (614)
Calculate the area under the graph of f of x equals the negative of the natural logarithm of x above the x-axis on the interval
4 answers
930 views
Estimate the value of the integral from negative 2 to 4 of x^3dx by using the Trapezoidal Rule with n = 3.
a) 252 b) 128 c) 63 d)
5 answers
2,414 views
The differential equation dy/dx=(y-2)/(y+1)
produces a slope field with horizontal tangents at y = 2 produces a slope field with
5 answers
1,616 views
The table below gives selected values for the function f(x). With 5 rectangles, using the left side of each rectangle to
10 answers
6,374 views
Find the equation of the tangent to the curve at x = 3 for the parametric equations below:
x= t+1/t y= t^2+1/t^2, with t>0 a) y=
3 answers
1,553 views
Find d^2y/dx^2 for the curve given by x = 2t + 5 and y= 3t/2
a) 3/(4t+10) b) (4t+10)/3 c) 1 d) 0
4 answers
1,017 views
The last question please
For what value of t is the slope of the curve undefined for the graph defined by x = 10 – t2, y = t3
4 answers
1,471 views
The components of a position vector of a particle moving in the plane are components t^3,2sin(t)). What is the distance traveled
3 answers
2,282 views
Find the polar coordinates for point P which has Cartesian coordinates
(1,-√3) a) (1,5pi/6) b) (1,5pi/3) c) (√3,5pi/3) d)
6 answers
1,277 views
Find the values of θ at which there are horizontal tangent lines on the graph of r = 1 + sin θ
a) π/2, 3π/2, π/6, 5π/6 b)
2 answers
632 views
What is distance around the graph of r = 3 sin θ
a) 3π b) 9π c) 12π d) 72π
4 answers
1,251 views
Find the point(s) of intersection for the polar curves with equations r = 6 cos θ and r = 4 − 2 cos θ.
a) π/6,-π/6 b)
4 answers
1,779 views
Find the arc length of the curve from t = 0 to t = 1 whose derivatives in parametric form are dx/dt=2-cos(t) and dy/dt=ln(t^2)
Ty
2 answers
860 views
What is the length of the path along the graph of y=√(4-x^2) between x =1 and x = 2?
a) 2π/3 b) π/3 c) π/6 d) π/4
1 answer
373 views
For what value of t is the slope of the curve undefined for the graph defined by x = 10 – t^2, y = t^3 – 12t?
Type your
2 answers
1,304 views
Find the magnitude of a particle's acceleration vector at t = 1 for a particle moving with position vector r(t)=(2t^2,4t^2-t^3)
a
4 answers
2,140 views
A point has a position vector given by r(t)= (t^2 +1,4-t), t for all time t ≥ 0 seconds. Find the speed of the object at t = 1
2 answers
620 views
An animal population is modeled by the function A(t) that satisfies the differential equation dA/dt= A/1125 all this multiplied
5 answers
2,283 views
The rational function (x-4)/x(2x-1) can be expressed as the sum of two partial fractions: A/x and B/(2x-1). Find the value of A
4 answers
451 views
Which of the following integrals can be integrated using partial fractions using linear factors with real coefficients?
a)
4 answers
2,680 views
What is the velocity vector for a moving particle with a position vector r(t)=(2/t, ln(t))?
a) (2,e^t) b) (2ln(t), tln(t)) '/> c)
2 answers
1,032 views
The components of a position vector of a particle moving in the plane are components t cubed, 2 times the sine of t. What is the
5 answers
2,239 views
Find the arc length of the curve from t = 0 to t = 1 whose derivatives in parametric form are dx/dt=2-cos(t) and dy/dt=ln(t^2).
4 answers
533 views
What is the nth term of the sequence whose first three terms are
2A + 2, 2A + 4, 2A + 6, …? a) nA+n b) 2nA+n+(2n+1) c) 2A+2n
2 answers
782 views
Find the sum of the infinite series whose sequence of partial sums, Sn, is S sub n equals= 10-1/(n+1)
a) 10 b) 0 c) 9.99 d) Sum
4 answers
1,627 views
If limit n->∞ Σ (from n=1 to n) of "a sub k" exists and has a finite value, the infinite series Σ (from n=1 to n) of "a sub
1 answer
394 views
Find the limit of the sequence of partial sums whose general term is an=10^n/n!
a) 10 b) 0 ----> my answer. Can you check for me,
2 answers
1,089 views
Evaluate Σ from n=1 to infinity of 3/2^n-1
a) 12 b) 6 c) 3 d) 0 ----> my answer. Can you check for me, please? Thanks in advance
2 answers
522 views
Calculate the area under the graph of y = e^-x above the x-axis for the interval [1, ∞]
a) 0 b) e^-1 ------> my answer. Can you
3 answers
1,658 views
Which of the following is an improper integral?
a) integral from 0 to 3 of (x+1)/(3x-2) dx b) integral from 0 to 3 of
4 answers
309 views
Which of the following choices will most easily evaluate integral of [L(x)]/P(x) dx, where L(x) is a logarithmic function and
4 answers
836 views
Which of the following is an improper integral?
a) integral from 0 to 3 of (x+1)/(3x-2) dx b) integral from 1 to 3 of
4 answers
1,401 views
Write the recurring decimal 0.abcabcabc… as a fraction.
a) (a+b+c)/999 b) (100a+10b+c)/999 c) (abc)/999 --> I did this but my
5 answers
3,609 views
For what value(s) of r is the series the summation from n=1 to infinity of 1/n^r+1 convergent?
a) r > -2 b) r > -1 c) r ≥ -2 d)
3 answers
410 views
For what value(s) of r is the series the summation from n=1 to infinity of 1/(n^r+3) convergent?
a) r > -2 b) r > -1 c) r ≥ -2
5 answers
427 views
Use the series for f(x)=1/(1-x) to write the series for g(x)=Ln|1-x|
a) C+ Ln|1+ x + x^2 + x^3+......| b) C+ 2+ 2x+ 3x^2 c) C+ x+
1 answer
373 views
f(x) = summation from n equals 0 to infinity of (n+1)/(4^(n+1)) and x^n with an interval of convergence, –4 < x < 4. Find
1 answer
459 views
Use the series for f(x)=1/(1-x) to write the series for g(x)=Ln|1-x|
a) C+ Ln|1+ x + x^2 + x^3+......| b) C+ 2+ 2x+ 3x^2 c) C+ x+
4 answers
591 views
Use the series for f(x)=1/(1-x) to write the series for g(x)=Ln|1-x|
a) C+ Ln|1+ x + x^2 + x^3+......| b) C+ 2+ 2x+ 3x^2 c) C+ x+
4 answers
289 views
You are designing large fish tank for your fish. The length will be 1 yard 3 Inches, the width will be 1.5 feet, and the height
5 answers
1,228 views
Find the range of the function F(x)=integral from 0 to x of √(4-t^2) dt
a) [0,4π] b) [0,π] c) [-4,0] d) [0,4]
5 answers
5,769 views
Which of the following functions of x can be integrated with respect to x without integration by parts, and purely using
4 answers
2,202 views
If the integral of 9x-2 /(x-3)(2x-1)dx= (A)Ln|x – 3| + (B)Ln|2x – 1| + constant, then what is the value of A – B?
a. 3 b.
4 answers
703 views
The helicopter view in the figure below shows two people pulling on a stubborn mule.(a).find the single force that is equivalent
2 answers
1,281 views
Find the area between the graph of f(x)= x(e^-x^2) and the x-axis for the interval (0, ∞). Your work must include the proper
3 answers
1,892 views
A bottle contains 12 red marbles and 8 blue marbles. A marble is chosen at random and not replaced. Then, a second marble is
4 answers
3,150 views
Which of the following is the Cartesian equation for the polar
equation r sin θ = 6 a) y=6 b) x=6 c) x+y= 6 d) x-y= 6
2 answers
643 views
Find the area enclosed by r= sin 2θ for 0 ≤θ ≤pi/2. Type your answer in the space below and give 3 decimal places
My answer
4 answers
421 views
Use your calculator to find the length of the arc from t = 0 to t = 1 of x = t^3 + 1, y = t^2.
Type your answer in the space
2 answers
566 views
Find the equation of the curve that passes through the point (x, y) = (0, 0) and has an arc length on the interval 0⩽x⩽π/4
2 answers
748 views
How do I factor the following trinomial?
6x^2-23x-4
3 answers
462 views
Find the position vector of a particle whose acceleration vector is a = (6t, 2) with an initial velocity vector (0, 0) and
4 answers
2,386 views
Find the exact value of the slope of the line which is tangent to the curve given by the equation r = 2 + cos θ at θ=pi/2. You
2 answers
917 views
Given that the series the summation from n=1 to infinity of [(-1)^(n+1)/√n is convergent, find a value of n for which the nth
4 answers
595 views
Which of the following statements is/are true about the series the summation from n=0 to infinity of (3/2)^n?
I. It diverges. II.
3 answers
752 views
Which of the following series could be tested for convergence/divergence with the integral test?
the summation from n=1 to
1 answer
696 views
Which of the following statements is true for the series the summation from n=0 to infinity of (-1)^n and 5/4^n?
a) The series
4 answers
2,046 views
Select the true statement for the series the summation from n=1 to infinity of n!/(2n-1)
a) The series converges by the ratio
2 answers
1,103 views
Please check my answers! My teacher never gave us the answer sheet so I have no idea what to study TT
(also please give the
4 answers
2,817 views
Find the slope dy/dx of the polar curve r = 1 + 2 sin θ at θ = pi over 2
a) Undefined b) 1 c) -1 d) 0
3 answers
1,564 views
Which of the following is true about the Comparison Test?
I. Terms can oscillate. II. If the "bigger" series diverges, then the
2 answers
1,153 views
Which of the following is true for the series of summation from n=0 to infinity of(-1/x)^n
a) For x=2, the series diverges b) For
3 answers
560 views
Two forces are applied to a car in an effort to move it, F1 is 400N and F2 is 450N, F1 is 30 degrees in the upper right and F2
2 answers
828 views
what is x+5 greater than or equal to -3
1 answer
291 views
use the dot product to find |u|
u=(5,-12)
1 answer
337 views
find u•v satisfying the given conditions where a is the angel between u and v.
a=150 degrees, |u|=3, |v|=40 and if a=pi/3 ??
1 answer
306 views
determine whether the vectors u and v are parallel, orthogonal, or neither.
u=(5,3) v=(-10/4, -3/2)
3 answers
1,470 views
Prove: vectors u•v=u1•v1+u2+v2 from a• b=|a|•|b|•cos D
4 answers
376 views
How can I find the domain and range of a function from the equation of that function(without using a graph of any kind)? For
3 answers
913 views
Glass Vase You are taking a glass-blowing class and have created a vase in the shape of a sphere. The vase will have a hole in
2 answers
656 views
Which kind of supporting detail is given in the following sentence?
Over 60 percent of farm workers say they wouldn't want to
7 answers
685 views
Stockholders of Acme Company, Baltic Company, and Colt Company are considering
alternative arrangements for a business
3 answers
817 views
A shop produces 39 wetsuits every 2 weeks. How long will it take the shop to produce 429 wetsuits?
2 answers
551 views
Consider the function f(x)=x^3+ax^2+bx+c that has a relative minimum at x=3 and an inflection point at x=2.
a). Determine the
3 answers
2,345 views
Can a group of 5 people share 4 candy equally?
1 answer
193 views
L (8,0) M (10,8) N (14,0)
1 answer
190 views
Fine the function that describe the relationship between x and y in the following set of ordered pairs
1 answer
128 views
Explain in a sentence how the process of photosynthesis reduces carbon dioxide in the atmosphere?
1 answer
71 views
5x - 19 =2y
3y + 18 =4x
1 answer
54 views
When 66 is added to a certain number and the sum is divided by 3 the results is the same as 4 times the number find the number
3 answers
157 views
The sum of two is 30 .3 times the first number added to the second number is 64 find the number
3 answers
72 views
Given |a|=10, |b|=15, and |a+b|=20, find |a-b|
4 answers
78 views
Find an equation for the line that is parallel to the line x=3-t, y=6t, z=7t+2 and goes through the point P(0,1,2).
1 answer
90 views
Find an equation for the line that is orthogonal to the plane 3x-y+2z=10 and goes through the point P(1, 4, -2).
1 answer
91 views
Which of the following were characteristics of Ancient Greek literature? Select the two correct answers.
4 answers
392 views
Identify Supporting Details:What does red publica mean?
1 answer
82 views
Early writing system had both similarities and differences.
Compare and Contrast which are more similar, Etruscan and Latin
1 answer
95 views
A coin is tossed ten times. In how many ways can 6 heads and 4 tails occur?Explain your reasoning? (use knowledge of
1 answer
88 views
Malik wants to skateboard over to visit his friend Gord who lives six blocks away. Gord's house is two blocks west and four
1 answer
104 views
How do you determine the opinion of a speaker in a collaborative discussion?
1.Through their evidence 2.Through their reflection
1 answer
96 views
How do we determine the opinion of a speaker in a collaborative discussion?
1.Through their evidence 2.Through their reflection
1 answer
84 views
How is determine the opinion of a speaker in a collaborative discussion?
1.Through their evidence 2.Through their reflection
1 answer
80 views
How to put it.
1 answer
22 views
Five rules of patching
1 answer
29 views
Which statement describes one way that political stability can help African nations achieve economic stability?(1 point)
Response
1 answer
27 views
Which of the following statements correctly analyzes the long-term consequences of disease on humanity?(1 point)
Responses
1 answer
28 views
Which of the following statements correctly analyzes the typical cause of famine?(1 point)
Responses Famines result from a
1 answer
23 views
Which of the following helps explain the outbreak of the Chinese Civil War?(1 point)
Responses the founding of the People’s
1 answer
18 views
Which of the following lists accurately analyzes the reasons why the Chinese Communists were victorious in the Chinese Civil
1 answer
21 views
What was an economic result of Chiang Kai-shek’s decision to start a war with Chinese Communist forces?(1 point)
Responses low
1 answer
20 views
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