Calculus (Answer Check)

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Calculus Related

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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))/ (x-z) to find f'(x)! Please show steps!!! Thank you!!!


Find the derivative of the following function showing your work and fully simplifying your answer. STEP BY STEP PLEASE!!! f(x)=(8x-3)^5/(6x+7)^12 THANK YOU SO MUCH!!!


Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, 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 comma-separated list. If an answer does not exist, enter DNE.) f(x) = x^(5)e^(-6x)


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.


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


Find inverse equation of y= 3e^(x-1)^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


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)


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 ...


Consider a differentiable functionf having domain all positive real numbers, and for which it is known that f'(x)=(4-x)^-3 for x.0 a. find the x-coordinate of the critical point f. DEtermine whether the point is a relative maximum or minomum, or neither for the fxn f. justify ...

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...

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...


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 ...


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 ...


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 x-coordinace of all critical points of the given function. determine whether each critical point is a relative...

math,correction please..

(x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the common denominator.. x^2 -(x^2-1x -2)=8 x+2=...


Apply the concepts of calculus (limits and derivatives) to describe the graph y = sec(x). Include a quality graph


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 ----------------------------- ...


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 ...


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 ...


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


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.


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). 1-0.5910 = .409 (d) Find P(z < 1.51). 1-0.9354=.0655


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


Monthly fee $5, check-processing 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


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.


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^...


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.


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 y-axis and shifted to the left by 2 units. What is the function of the resulting graph? y=3/x-2 y=-3/x+2 y=1/3x-6 y=-1/3x+6 my answer is B


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 ...

Spanish please check

please check if I answered these questions correctly-they had to be in the past tense-not 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. ¿...

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 y-axis 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 ...

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.


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


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 ...


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]


Verify the identity: arctanx + arctan(1/x)=∏/2 using calculus theory. (Hint: Differentiate the left hand side of the identity)


I need help with these two review calculus problems for my final exam. What is the derivative of a). (5x^2+9x-7)^5 b). Lne^x^3 For a. I got 50x+45(5x^5+9x-7)^4 For b. I got 3x^2 Can you verify please?


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 ...

Math 116 algebra please check

Simplify 6[-73-(-19-83)]=174 Please check

Spanish-Please check

Please check-Thank you I come from the library. Yo vengo de biblioteca.


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. ...


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 ...

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 ...


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'...


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


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

Algebra II

Factor out: 64x^3 + 1 It is a binomial times a trinomial (4x+1)(16x^2-4x+1) should work. Check my math again! [8x^(3/2) - i][8x^(3/2) + i] Although my previous answer works (if i = sqrt-1), 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


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)


I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =w (3-w...

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?

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 ...


Which container holds more, a half-gallon 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. ...


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. ...

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 (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...

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 non-numeric Mean; the outliers are limited MY ANSWER...


pleaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasw help can you pleaaaaase help me find the area between y=cos(4x) and y=1-cos(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 ...

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=ln|u|+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)ln|x^3+3x^2+9x|+C


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.


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?


The graph of the function y=g(x) is given in the figure above. The x coordinate is (0,-2.) 3. Estimate the x-coordinate 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


Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(p) = (p − 2)/(p^2 + 9)


Find the third Derivative of f(x)=x(3x-7)^3 The answer is 3x-1134 but I attempted the problem multiple times and I keep ending up with 648x-1134. 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

Applied Calculus

Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) h(x) = x3 + 3x2 + 4 on [−3, 2]

math 160(buss calculus)

my homework is due in 1 hour Let x = 1 and Δx = 0.01. Find Δy. (Round your answer to five decimal places.) f(x) = x/x^2 + 5

calculus 2

Integral of 63x(cos(x))^2 dx I got: 63x^2/4 +63sin(2x)/4 +63cos(2x)/8 +C I keep getting this answer but the online site says it's wrong.

calculus help

use the midpoint rule with the given value of n to approximate the integral. round the answer to four decimal places. integral 0 to pi/2 2cos^3(x)dx, n=4 M4=????

Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(t) = t^(3/4) − 3t^(1/4)

Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) F(x) = x^4/5(x − 1)^2


The side of a square is measured to be 10 ft with a possible error of ±0.1 ft. Use differentials to estimate the error in the calculated area. Include units in your answer.


The divergence test applied to the series ∑n=1 to ∞ 3n/(8n+9) tells us that the series converges or diverges? I got that it was divergent because it was undefined at infinity, is my answer right?

Single Variable Calculus

find an expression for the area under the graph of f(x)= (x^2)+x from x=2 to x=5 as a limit of a riemann sum (do not need to evaluate). the answer i got was: lim as x-> infinity of sigma from i=2 to n of (2+3i/n)^2+(3i/n)(3/n) is this correct?

Pre Calculus 12

Laws of logarithms evualuat using change of base rule log(√8)16 ^the square root 8 is supposed to be subscript. the answer i got was 8/3, not sure if that is right


A function of three variables is given by, f (x,y,t) = x3y2sin t + 4x2t + 5yt2 + 4xycos t Find ft (3.44,0.58,8.1) giving your answer to 3 decimal places. anybody please help me... thanks a million... got stuck with this qns..


First, the bond pays 96 + 7 t per year for 10 years. Second, the interest rate is 5.25% compounded continuously. Round your answer to the nearest cent. Find the present value?

Calculus Partial Derivatives

Problem: Find dimensions of a box that provide the greatest volume when the length plus the girth cannot exceed six feet. I tried 2w+2h+l=6, l=6-2w-2h, but couldn't get to w=1, h=1, l=2, which is the correct answer.


Use the Left and Right Riemann Sums with 80 rectangle to estimate the (signed) area under the curve of y=e^(3x)−5 on the interval of [10,20]. Write your answer using the sigma notation


A particle moves along the x-axis with position function s(t) = e^cos(x). How many times in the interval [0, 2π] is the velocity equal to 0? 1< My answer 2 3 More than 3 I don't really get this question will someone please explain it to me?


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