Calculus (Answer Check)
88,673 results, page 27

Calculus
Answer the following questions for the function f(x) = sin^2(x/3) defined on the interval [ 9.424778, 2.356194]. Rememer that you can enter pi for \pi as part of your answer. a.) f(x) is concave down on the interval . b.) A global minimum for this function occurs at . c.) A ... 
Calculus
Consider the function below. f(x) = [1(4/x)]^x (a) Use a graph to estimate the value of the limit of f(x) as x approaches infinity. (Round the answer to two decimal places.) (b) Use a table of values of f(x) to estimate the limit. (Round the answer to four decimal places.) 
Math
Can someone please check my work for me? Write an equation of the line satisfying the given conditions. 9) Intersects the line y = 2 + 3x at infinitely many places. 9) A) y = 3x + 2 B) y = 2x + 3 C) y = 1/3x + 2 D) y = 2 + 3x Is the answer A Use the discriminant to determine... 
music
CHECK MY ANSWERS?? 1) the key signature does not A. tell which sharps and flats are in the key my answer B. appear in every staff in a musical composition C. explain weather the music is major or minor D. appear just after the clef in each line of music 2) a short musical... 
Calculus
OK trying again. For what (numerical) of the constant "c" is the function f(x)= {x^2cx if x is greater than 1 {cx^3+x if x is less than or equal to 1 continuous on ( infinity, +infinity)?(Justify answer!) 
Calculus
Given the function f(x) = (x2)/(x^38), what value should be assigned to f(x) to make the function continuous at x=2? Please walk me through this. I have the answer but do not know how to get it. 
calculus
V(h) = pie/3(R^2hh^3) take the derivative with respect to h. using the chain rule I got: V'(h) = pie/3(2Rh+R^23h^2) but this is not the correct answer. what did I do wrong? 
Calculus
The integral from 1 to 5 of 1/x^2*(times) the square root of 1+(1/x)dx. i've had tried this problem over and over again and cannot get the correct answer. Please help. thanks 
calculus
Find all numbers b such that the average value of f(x)=2+6x−3x^2 on the interval [0,b] is equal to 3. Give your answer as a list of numbers, e.g., {1,2,3}. 
calculus
Find all values of x in the interval [0, 2π] that satisfy the inequality. (Enter your answer using interval notation.) 14 cos(x) + 7 > 0 
calculus
pleeeeeeas help meeee i used an online integral calculator and got an answer which says 1/2cot(x^2) but i don't know how to get there. the problem is "integral{xcsc^2(x^2)} 
Calculus Related
tinyurl[dot]com/osguqrd Replace [dot] with a . Please provide an answer to the question in the link above. 
Calculus Help
Use f(x)= 1/(square root(x)+1) to answer the following;  Use the difference quotient f'(x)=lim z>x (f(x)f(z))/ (xz) to find f'(x)! Please show steps!!! Thank you!!! 
CALCULUS HELP
Find the derivative of the following function showing your work and fully simplifying your answer. STEP BY STEP PLEASE!!! f(x)=(8x3)^5/(6x+7)^12 THANK YOU SO MUCH!!! 
Calculus
Lines tangent to the curve y1=2x^2+3x pass through the point A(2,1). Find the xcoordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 22^1/2, I just don't know how to get there. Please help! Thank you! 
Calculus 1
Find the critical numbers of the function. (Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.) f(x) = x^(5)e^(6x) 
Calculus
Estimate the area under the curve f(x) = x2 + 1 from x = 0 to x = 6 by using three circumscribed (over the curve) rectangles. Answer to the nearest integer. 
calculus
Given the area is in the first quadrant bounded by y²=x, the line x=4 and the 0X What is the volume generated when this area is revolved about the 0X? the answer is 25.13 but I don't know how. help me please 
Calculus
Find inverse equation of y= 3e^(x1)^5 Answer I got is (ln(x/3))^(1/5) +5 =y But I think it's wrong because the domain and range is really different from the original equation 
calculus
Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) An = cos(n/8) 
calculus
Consider the function f(x) = 33 x^{2/3} on the interval [ 1 , 1 ]. Which of the three hypotheses of Rolle's Theorem fails for this function on the inverval? (a) f(x) is continuous on [1,1]. (b) f(x) is differentiable on (1,1). (c) f(1)=f(1). Answer:( a, b, or c ) 
Calculus 2
A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not enter your answer in ... 
calculus
Consider a differentiable functionf having domain all positive real numbers, and for which it is known that f'(x)=(4x)^3 for x.0 a. find the xcoordinate of the critical point f. DEtermine whether the point is a relative maximum or minomum, or neither for the fxn f. justify ... 
Economics
Could you please check these thanks. Directions match each item with the correct statement. Not all terms are USED. Here are the words to fill in the blanks. business planning demand curve complements elastic demand expensive goods demand marginal utility expectations market ... 
Science. NEED HELP PLEASE
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer:TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and eggs is placed... 
Calculus
Please check, if there is something wrong please explain what I did wrong. Thank you! Calculate the d^2y/dx^2. y= e^x + e^x y' = e^x  e^x y'' = e^x + e^x Find the xcoordinace of all critical points of the given function. determine whether each critical point is a relative... 
Calculus
Apply the concepts of calculus (limits and derivatives) to describe the graph y = sec(x). Include a quality graph 
Physics waves check answers please
1. In a standing wave, the medium at the tip of a loop is a) showing destructive interference b) not moving c) at the original amplitude of the wave d) showing constructive interference my answer: b 2. If a motorcycle is travelling toward an observer the frequency the observer... 
Physics waves check answers please
1. In a standing wave, the medium at the tip of a loop is a) showing destructive interference b) not moving c) at the original amplitude of the wave d) showing constructive interference my answer: b 2. If a motorcycle is travelling toward an observer the frequency the observer... 
Calculus
Posted by MG on Wednesday, March 26, 2014 at 6:54pm. The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the hands is changing at ... 
Computer Programming
Hello, Any help on the following problem would be greatly appreciated. The assignment is done with .java in eclipse. I have a class and a form with a Jlist, 2 text fields to enter the check amount and the ending Balance and a calulate button. I have some aspects working, but ... 
Written Communication
At the library, the quickest way to locate varied, reliable information for your research paper is to A. check the encyclopedias. B. search the card catalog for related titles. C. ask the reference librarian. D. check the Readers' Guide. 
Calculus II
Hello! I have a problem on volumes but I am having trouble visualizing the object. y=ln(x), y=1, y=2, x=0, about the yaxis For the graph, I graphed y=ln(x), then I have from 1 to 2. Is this one with a washer where I have integral fom 1 to 2 of pi*ln(x)^2  pi* something? I'm ... 
math,correction please..
(x)/(x2)  (x+1)/(x) = (8)/(x^22x) I keep getting x = 6 can someone show me how you guys are getting x = 10 The lowest commond denominator is x(x2) x/x *(x)/(x2)  (x+1)/(x) *(x2)/(x2)=(8)/x(x2) multiplying both sides by the common denominator.. x^2 (x^21x 2)=8 x+2=... 
Social studies
Could you please check these other sets of terms. Here are the terms: scarcity cost benefit analysis marginal revenue needs incentives economy opportunity cost variable costs capitalism marginal cost food, clothing,shelter, and other things required for survival. Answer: needs... 
French
Could you please check these thanks Directions: Un peu de culture: Answer in the affrimative using a pronoun follow the model Tu ne connais pas ce musée Si, je le connais Part 1 1. Te ne connais pasa cet acteur? Answer: Si, je le connais. 2. Tu ne connais pas cette ... 
Spanish please check
please check if I answered these questions correctlythey had to be in the past tensenot sure what number 6 is asking 1.¿Comó te sentiste ayer? Me sentí muy bien ayer. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿... 
English
Please check my answer thanks :) Sue's dog had flees. This sentence is a homonym used correctly True False. I said True 
Law and Ehtics in med
please check my answer thanks :) Privileged communication is pertinent in a legal or court context. True or False I said True 
medical reimbursement methodologies
please check my answer thanks :) True or False The committe on social welfare implements fee schedules I said True 
Anatomy and Physiology
Please check my answer thanks True or False Keratinized cells are found in the body by the subcutaneous layer of the skin I said True 
Science 8th grade
please check my answer thanks True or false Blood gains oxygen when it passes through the liver I said True 
Science 8th grade
please check my answer thanks True or False Blood gains oxygen when it passes through the liver I said true 
Health/ Basic Clinical Procedures
please check my answer thanks True or False The Fowler's position is used for an exam of the abdomen I said False 
JCAHO
please check my answer According to JCAHO standards, the delinquency rate for incomplete medical records should be no greater than 20% I said True 
Chemistry check
I just want to make sure my answer is correct. I have to balance the equation. Hydrogen + Chlorine > Hydrogen chloride H2 + Cl2 > 2HCl 
Physics  please check over
Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong. 
Chemistry
Please check my workings to see if i'm correct, thanks! Find the percentage of nitrogen by mass in Ammonium nitrate, NH4NO3. (28/80)x 100% = 35% Is my answer correct? 
math check
Consider the following (Give your answer correct to four decimal places.) (c) Find P(z > 0.23). 10.5910 = .409 (d) Find P(z < 1.51). 10.9354=.0655 
government
federal grants to state or local governments that are for specific programs are call? i have block grants as an answer. someone please check for me 
Math ~ Check Answers ~
Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd My Answer: ???? •Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44 
Finance
Monthly fee $5, checkprocessing fee of 20 cents, average of 32 checks written per month. Round the answer to the nearest cent. 
Math Asap
When adding √9 and 7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue 
Economics
15. Helen’s consumption function may be stated as $1,000 + 0.75 × YD . Her autonomous consumption is: A) 0.75. B) 0.25. C) $750 D) $1000. My answer is letter D, i just want someone to check if it's correct. 
precalculus
Can you check my answers? 1.Which of the following shows the best next step to prove the following by mathematical induction? 3^n>n*2^n, n≥1 1.When n=1, the formula is valid because 3^1 1*2^1 3>2 2.Assuming that 3^k>k*2^k a.3^k+1>k+1*2^k+1 b.3^k+1>k*2^k+1 c.4^... 
English
When a writer paraphrases or summarizes information from a source, s/he does not need to provide a citation. True False. I say false. Please check my answer. 
English
Quotation marks are required when using exact words from an outside source. True False I say True. Please check my answer. 
Algebra 2 check
The graph of y =1/x is vertically stretched by a factor of 3, reﬂected across the yaxis and shifted to the left by 2 units. What is the function of the resulting graph? y=3/x2 y=3/x+2 y=1/3x6 y=1/3x+6 my answer is B 
electromagnetism
A rectangular wire loop with current i=200mA, width W=20cm and length L=50cm is placed in a uniform magnetic field B=7T as shown. The normal to the loop, represented by the dashed line, is θ=20degrees from the magnetic field direction. #3A (6 points possible) What is the ... 
PHYSICS
can we ever measure or draw any physical feature of a natural system exactly???why or why not?? im confused by this><!!! HELP PLZZ.... i will try to help u but i am no expert only a student.this might be one of those ethic questions that really have no answer at all you ... 
Math
Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40 
Science
Which type of energy in the bungee chord prevents the bungee jumper from hitting the ground after a jump? A. kinetic energy B. elastic potential energy *** C. magnetic potential energy D. thermal energy  Side note: Please help. I am not asking for the answer, I'm simply ... 
French
could you please check these thanks Directions: Connaître et savoir: Rewrite the following sentence with each pronoun and make all necessary changes. Use this model for each sentence Je connais Marie et je sais qu'elle est française. 1. Il  ... 
Calculus
estimate the absolute maximum and minimum values of f if any, on the stated interval, and then use calculus methods to find the exact values: f(x)=10ln(x^2+1)8x; [0,3] 
calculus
Verify the identity: arctanx + arctan(1/x)=∏/2 using calculus theory. (Hint: Differentiate the left hand side of the identity) 
Calculus
I need help with these two review calculus problems for my final exam. What is the derivative of a). (5x^2+9x7)^5 b). Lne^x^3 For a. I got 50x+45(5x^5+9x7)^4 For b. I got 3x^2 Can you verify please? 
Math 116 algebra please check
Simplify 6[73(1983)]=174 Please check 
SpanishPlease check
Please checkThank you I come from the library. Yo vengo de biblioteca. 
Science
The u.s. constitution provides that each of the three branches of the federal government has certain powers that can limit the powers of the other branches. These limitations are known as the system of checks and balances. Which of the following actions is a check by the ... 
accounting
Which of the following adjustmnts will require the company to record a debit memo sent by the bank? a. The bank collected a $550 note receivable, plus interest, which had not been recorded in the company's journal. b. The company recently made a $692.28 deposit that has not ... 
calculus
using the fundamental theorem of calculus what is the derivative of the definite integral from x^3 to sqrt x of (sqrt t) sin t dt 
Calculus
use te fundamental theorem of calculus to evaluate the integral Integral [0, pi/3] sin^2(x)dx I'm confused on what F(x) should be 
Calculus (Please Check)
Show that the equation x^5+x+1 = 0 has exactly one real root. Name the theorems you use to prove it. I.V.T. *f(x) is continuous *Lim x> inf x^5+x+1 = inf >0 *Lim x> inf x^5+x+1 = inf <0 Rolles *f(c)=f(d)=0 *f(x) is coninuous *f(x) is differentiable f'(x) = 5x^4... 
chemistry
Precipitation Reactions Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NO REACTION. Express your answer as a chemical equation. Identify all of the phases in your answer. ... 
Math/Health
I was wondering if someone could please help me this is really making me go crazy please check my answers thank you Paul Smith was admitted to the hospital for the first time this year on Sept 15. On Sept 25 he was transferred to a SNF where he stayed until October 30 He was ... 
calculus
pleaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasw help can you pleaaaaase help me find the area between y=cos(4x) and y=1cos(4x) 0<=x<=pi/4 i tried to solve it, and i got like : 2*sqrt3+ pi/12 is it right? if not please tell me how can i solve it...i'm really confused i found ... 
Math.. check answer please
Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts. Include either an example from the text or one of your own to explain the solution process. my answer is : you could use the price of one ... 
Algebra II
Factor out: 64x^3 + 1 It is a binomial times a trinomial (4x+1)(16x^24x+1) should work. Check my math again! [8x^(3/2)  i][8x^(3/2) + i] Although my previous answer works (if i = sqrt1), Taasha's is what you are looking for. 
psy  please help
What relationship factors or considerations might be influencing Michael’s problems? Need some informations to help me answer this question. I just send a post which is revision 6, check it out for me. Thanks 
Technology
Please check this. I'm pretty sure my answer's correct: 16. Wood that is made of layers of boards glued together under pressure is called a. crossband b. plywood c. hardwood d. lumber B 
Reinbursement Methodologies
Which of the following would be the best to use to help plan home health care outcomes and assessments? A.MAC B.Oasis C.Raven D.Haven Can someone check my answer i chose (B) 
info lit
please check my work? Scholarly journal articles are written: A. By experts in a subject field B. By lower division college students C. For a general audience D. By reporters my answer is: A 
math (check)
find the volume of a cylinder with a diameter of 16mm and a height of 5.7. A.2,292mm^3 . . . 4,584mm^3(i think its this one) . . . 689mm^3 . . . . 1,146 (but i also got an answer close to this but the tens place was 5) 
Algebra
I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9ww^3 9ww^3=w*(w^29) I have to factor out the GCF, which is “w”. 9w^2=3^2w^2= (3w) (3+w) = (3w) (w+3) 3w=(w3) (3w)(W+3)=(w3) (w+3) 9ww^3=w (9w^2) =w (3w... 
World History
I have to write an essay on this topic: "What are some steps caucasians can take to check their privilege in society?" Any ideas for good resources or study tools I can go to to help answer this question? 
French
Could you please check these thanks. Directions: Read the conversation between Cécile and Pierre and answer the questions below. Départ à destination de Toulouse, vol Air France numéro 6106. Embarquement immédiat, porte 24. Cécile: C'est notre vol. On y va? Pierre: D'... 
Calculus (Please check my work.)
This is my last chance to make at least a C in my AP Calculus course, so please tell me if I got these right or wrong so that I can fix them before it's due. Also, there was one I wasn't sure how to do, so if you can help me with that, it would be much appreciated! 1)Find the ... 
Math
Which container holds more, a halfgallon milk jug or a 2 liter juice bottle? My answer: 1 gallon=3.79 liters 3.79 liters/2=1.895 liters A 2 liter juice bottle would hold more. Can you please check my work and let me know if there is another way to figure this answer out. ... 
Calculus I Theorem
I factored and simplified dy/dx of 192x^5 + 96x^3 + 12x all the way down to x^2 = u = (1/2) and (1/6). How does the result illustrates part 1 of the Calculus Fundamental Theorem? 
Liberal arts
Which terms and 45p4q have a GCF of 9p3? Check all that apply. *18p3r x27p4q x36p3q6 *63p3 x72p3q6 The ones with the stars next to them are the correct ones and the ones with the x next to them are the wrong ones. Does answer choice A make any sense to any of you people out ... 
Calculus
If x = t^2 + 1 and y = t^3, then d^2y/dx^2 = I know I can solve for t in terms of x and substitute that into y = t^3 and find the double derivative. I also know that I can take the derivative of x and y then divide dy/dt by dx/dt. Then take the derivative to get the answer. ... 
math (please check answer)
Which is the best measure of central tendency for the type of data below–the mean, the median, or the mode? Explain. Hours of sleep each night Median; there will be outliers Range; there are no outliers Mode; the data are nonnumeric Mean; the outliers are limited MY ANSWER... 
AP Calculus
I need to find the integral: int:(x^2+2x+3)/(x^3+3x+9) dx I think I am supposed to use the rule: int:1/u du=lnu+C But I don't know what to do first. Thanks for your help! :) Oh and the answer the back of my book gives is (1/3)lnx^3+3x^2+9x+C 
Calculus
Let f(x) = sqrt(3x+15) Find f'(x) The answer is 3/(2sqrt(3x+15) Can anyone who does this please explain step by step why you did what you did? I have a lot of difficulty finding the derivative with radicals. 
calculus
Let A(x) be the area of the rectangle inscribed under the curve with vertices at (x,0) and (x,0), x > 0. a. Find A(1). b. What is the greatest value of A(x)? Justify your answer. c. What is the average value of A(x) on the interval 0 < x < 2? 
calculus
The graph of the function y=g(x) is given in the figure above. The x coordinate is (0,2.) 3. Estimate the xcoordinate of the point where g''(x)=0. Round your answer to one decimal place. 
Calculus 1 Implicit differentiation
Help please help me understand what i am doing wrong in this problem! x^3+3x^2y+y^3=8 find dy/dx using implict differentiation. The answer is x^2+2xy  but i keep getting x^2y x^2+y^2  x^2+y^2 
Calculus
Find the critical numbers of the function. (Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.) h(p) = (p − 2)/(p^2 + 9) 
Calculus
Find the third Derivative of f(x)=x(3x7)^3 The answer is 3x1134 but I attempted the problem multiple times and I keep ending up with 648x1134. What am I doing wrong? 
Calculus  Verification
Hello, I just wanted to verify this definite integral and if my answer is good: a = 1 and b = 4 integral of (1  1/x^2)(x^2 + 1/x) dx = (x + 1/x)(x^3/3 + lnx) + C (4 + 1/4)(64/3 + ln4)  (1 + 1)(1/3 + ln1) = 96.56  0.6666 = 95.89 THank you