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September 30, 2014

Search: calculus derivative HELP!

Number of results: 13,506

Calculus--> bobpursley
How do you get m=0? from taking the second derivative? does c=1? Can you check my work on how I get the derivative of R=M^2(c/2-m/3) NEXT R=1/2(CM^2)-1/3(M^3) NEXT dR/dM=CM-M^2. I checked in the back, and that was the answer for the first part of the equation. Isn't the ...
May 30, 2007 by Anonymous

Calculus - derivatives
Okay, I want to find the derivative of (x^x)^(x^x)... Well, I already went through the process of finding the derivative of just x^x (I used ln to do this). This is what I found... dy/dx = x^x(lnx+1) So now I want to find the derivative of (x^x)^(x^x) (using ln). This is what ...
November 29, 2009 by Lucy X

Calculus
I need to find the second derivative of y=x(x-1)^1/2. I found the first derivative is 2x-1/2(x-1)^1/2, if someone could check, but I am miserably stuck on the second derivative.
April 18, 2011 by Amie

Maths Calculus Derivative Integral - Urgent Please
Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 (at the top) to x-5 (at the bottom) of square root of Sin(x)dx
October 18, 2010 by Nick

calculus
Please help with this. I need the first derivative of f(x)=4(x+squareroot (x(8-x)) and then the second derivative of this to show by the second derivative test that it is a local maximum. This is difficult to put into form here and I hope I have got it right. Many thanks.
February 24, 2011 by Frank

CALCULUS
what is the derivative of ln(x-1)? If you are studying the calculus of logarithms your question surprises me, since that is one of the most basic ones in that topic. in general if y = ln("anything") then y' = 1/"anything" * derivative of "anything" just apply this rule and let...
May 6, 2007 by URGENT

CALCULUS HELP
Find the second derivative for the function 5x^3+60x^2-36x-41 and solve the equation F(X)=0 i got to the second derivative but what do we do next to be able to get one of these answers.. F(x) = 5x3+60x2−36x−41 1. derivative of F(x) with respect to x = 15x2+120x&#...
September 26, 2012 by Herosugar

calculus
Please help with this. I submitted it below and was asked to clarify by Henry (hope this is clearer and thank you). I need the first derivative of f(x)=4(x+ sqrt (x(8-x)).And then the second derivative of this to show by the second derivative test that it is a local maximum. ...
March 4, 2011 by Frank

Calculus (Help)
Also I would like to know how to set this problem up in finding the answer: Find the second derivative. y= sqrt(3x+4) Thanks, P.S. I tried taking 3x+4 and squaring it to the 1/2. I thought that might've been the same, then I took the derivative of that and got 1/2(3x+4)^(-1/2...
February 21, 2007 by Confused

calculus
Find the derivative of the function using the definition of derivative. g(t)= 9/sqrt(t) g'(t)= state the domain of the function and the domain of the derivative (use interval notation)
September 19, 2012 by maura urgent!!

calculus
Differentiate both sides of the double angle identify sin 2x= 2 sin x cos x to determine an identify for cos x. Find the first derivative, second derivative, third fourth, fifth, sixth, seventh and eighth derivative. Use the results to find the twelfth and fifteenth derivative...
February 21, 2012 by john

calculus
Find the first and second derivative - simplify your answer. y=x/4x+1 I solved the first derivative and got 1/(4x+1)^2 Not sure if I did the first derivative right and not sure how to do the second derivative.
March 16, 2011 by Janet

Applied Calculus
Find the first and second derivative of the function: x/(7x+10) Using quotient rule. This is part of my homework in the section named "Higher Order Derivatives". I am confused on getting the second derivative, as I found the first derivative to be 10/(7x+10)^2
February 20, 2013 by Jacob

Calculus
Any help would be much appreciated with the steps involved in each problem given. Thank you. 1) Find derivative if y =cot x + sin x 2) Find derivative if y = (3x+5)^8 3) Find derivative if y = x csc x 4) Find derivative if y = x 3x + 1 (3x + 1 is under the square root) 5) ( ...
September 30, 2007 by Matt

Calculus
Any help would be much appreciated with the steps involved in each problem given. Thank you. 1) Find derivative if y =cot x + sin x 2) Find derivative if y = (3x+5)^8 3) Find derivative if y = x csc x 4) Find derivative if y = x /3x + 1 (3x + 1 is under a square root(/) 5) ( f...
September 30, 2007 by Matt

Calculus
If I have a function f(x), and am given its derivative, f'(x): may I take it as a given that f(x) is an integral of f'(x). My reasoning is that 'undoing' the derivative gives me the derivative. Eg is 1/3x^3 an integral of x^2? Thanks.
September 15, 2007 by charlie

Calculus derivatives
f(a) = a + √a (a) Find the derivative of the function using the definition of derivative.
October 27, 2008 by Ben

calculus
Calculate the derivative of the function. Then find the value of the derivative as specified. f(x) = 8/(x+2); f '(0)
July 4, 2010 by theo

Calculus I
Find the derivative of y=ln((1+e^x)/(1-e^x)) I know that the derivative of y=ln(1+e^x) would be (e^x)/(1+e^x), but I'm not sure what to do with the 1-e^x on the bottom here. Can someone help please? Thanks!
May 21, 2012 by Marissa

Calculus
R=M^2(c/2-m/3) dR/dM=CM-M^2 I found the derivative. Now how would I find the vale of M that maximize the derivative dR/dM? set it to zero, and solve for m. You get two solutions. Use the second derivative to see which one is the max. I get M=C. How do I go from there? What do ...
May 29, 2007 by Anonymous

Calculus
If P'(t)= [10(t+2)]/t. What is P(t)? It is asking for the derivative, and I am so lost! Because so far we haven't covered how to find the derivative of something so complicated. Any ideas? TY
August 15, 2010 by Jaimie

calculus
Use the function defined below to calculate the indicated derivative. f(t)= 4/(t^3)+3 what is f''(2) (second derivative) Need help!!
September 22, 2010 by Ben

Calculus
Use derivative formulas to find the derivative of the function. please show your work h(x)=10^3-25x^6+3x^15
September 25, 2012 by Sarah

calculus
3. Plot f(x) =ln(x) and f(x) = 1/x in your calculator. Remembering that the derivative of f(x) is the instantaneous rate of change of f(x) why does it make sense that 1/x is the derivative of ln(x)?
February 10, 2014 by karim

Calculus
Find the derivative of the function using the definition of a derivative. F(x)=squareroot(1-3x) Please show work for understanding, thank you! :)
February 14, 2013 by Tori

calculus
Please help with this. I submitted it below but no one responded. I need the first derivative of f(x)=4(x+ then the square root to include (x(8-x)), then close bracket.And then the second derivative of this to show by the second derivative test that it is a local maximum. This...
March 1, 2011 by Frank

Calculus
Find the derivative of f(x)=x(1-4^x) f'(x)=(1-4^x)+ (-4^x)(ln-4)(-4)(x) ln can't be negative. Is the derivative correct?
October 29, 2010 by sh

Calculus
Find the derivative of m(x)=1/(x+1) by using the definition of the derivative.
February 12, 2013 by Becky

Calculus derivative
find the slope m and an equation of the tangent line to the graph of the function f at the specified point. original: x^2/x+10 point: (3,9/13) After I found the derivative: (x+10)(2x)-(x^2)(1)/((x+10))^2 How do I get the slope? Should I put 3 into the derivative equation?
September 17, 2013 by Eve

Calculus
Show that the curves r=acos() and r=cos() intersect at right angles. can it be shown that the derivative of one is the negative reciprocal of the derivative of the other?
April 5, 2007 by Amy

Calculus Derivative
I'm trying to calculate the derivative of this: P= mv/ sqrt(1-v^2/c^2)where m and c are constants, and v depends on t. I know about the chain and product rules but I'm not even sure where to start. :/ Thank you for your help.
March 6, 2013 by Mary

Calculus
can sumeone plz help me find the derivative of (2x^2 - 12x -2) / ((x^2 + x - 2) ^ 2) thx a lot Use the following rule: derivative of u(x)/v(x) = [v du/dx - u dv/dx]/ v^2 In your case, du/dx = 4x - 12; dv/dx = 2 (x^2 + x -2)*(2x +1) v^2 = (x^2 + x - 2)^4 Put it all together
June 3, 2007 by Jinal

calculus
Hello. I need help finding the open intervals of this equation: f(x)=3x^2-12 I already took the derivative of it by using the derivative test and I got 2,-2 as critical numbers
January 28, 2008 by Mandy

calculus
Hello. I need help finding the open intervals of this equation: f(x)=3x^2-12 I already took the derivative of it by using the derivative test and I got 2,-2 as critical numbers
January 28, 2008 by Mandy

calculus
For a function f(x) the derivative at x=2 is 5. Is the derivative of f(x) continuous at x=2? Thanks!
December 1, 2008 by Ginger

calculus
Would the derivative of ln(x^2) be 1/x^2? and also the derivative of ln(2^s) be 1/2^s
October 7, 2010 by Help asap!! plz

Calculus derivative
How do you do the derivative of a^x, for example, (3/4)^x Thank you for helping!
September 27, 2012 by Grateful

calculus derivative HELP!
Find the derivative of: y=2sqrt(x)-(1/x)
October 8, 2012 by erica

Calculus
Does my answer look correct? Find the derivative. 11, y= (e^3-e)(e+5)/6e my work: ((6e)(4e^3 + 15e^2 - 2e - 5) - (6)(e^4 + 5e^3 - e^2 - 5e))/ (6e)^2 Multiplied/divided everything through My answer: (10e^2 + 30e - 3)/ 18 I cant follow your work: I assume e is a derivative. (e^3...
December 19, 2006 by Alexandra

calculus
i need to use implicit differentiation to find the derivative: yx+y = 8 i keep getting y'=-1-y. i already know the derivative of this, by using explicit by simplification: y(x+1)=8 y=(8)/(x+1) y'= -(8)/(x+1)^2 how do i go about doing this the right way?
January 17, 2014 by eric

Calculus
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or second derivative rule ...
October 25, 2008 by George

Calculus
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or second derivative rule ...
October 27, 2008 by George

Calculus
Use a symbolic differentiation utility to find the derivative of the function g(x)=x((x^2)+1). Use the utility to graph the function and is derivative on the same set of coordinate axes. Describe the behavior of the function that corresponds to any zeroes of the graph of the...
November 11, 2007 by Jon

calculus
Could someone check my reasoning? thanx Find the derivative of the function. sin(sin[sinx]) I need to use the chain rule to solve. So I take the derivative sin(sin[sinx) first. Then multiply that by the inside which is the derivative of sin[sinx]. And multiply that by ...
May 7, 2009 by XCS

math
Let f be a real value function and x Df then 0 lim ( ) ( ) h f x h f x h + - when it exists is called A) The derivative of f at a B) The derivative of f at h C) The derivative of f at x D) The derivative of f at x = h
November 2, 2012 by Zaheer

Calculus
How would I go about finding the derivative of f(x)=ln(x)(7x-2)^3 first=ln(x) second= (7x-2)^3 Would I do first times the derivative of the second + second times the derivative of the first? If so, what is the derivative of lnx? I'm confused. Thanks for your help. --Cori
August 24, 2007 by Corin

Derivative Calculus
I just need my answers checked. 1) Find the derivative. f(x)=3x^5/4 - 8/9x^9/8 + x^2 - 9x + 1 Answer: f(x)= 15/4x^1/4 - x ^1/8 + 2x -9 2) Let f(x)= 7x^3 - 9x. Find f(5) Answer: f(x)=21x^2-9 f(5)=516 3) Find the given limit by evaluating the derivative. lim h⇒0 5(7+h...
June 14, 2011 by Steff

College Calculus 1
We have to find the first and second derivative of f(x)=x^(2/3)(6-x)^(1/3) I have the first derivative as being (4-x)/(x^(1/3)(6-x)^(2/3)) And that I know is right. The second derivative is -8/(x^(4/3)(6-x)^(5/3)) I did all the work but I am not getting the right answer... I ...
October 14, 2010 by Please help

calculus
how do you find the derivative of (X^2(2+x^1/2))/x^4. I'm confused because of the exponents rules. please show me the steps in simplifying the exponents then taking the derivative.
October 23, 2007 by jennifer

calculus
find the second derivative of F(x)=3e^-2x(^2) to find the inflection points. I am trying but I don't think I'm finding the first derivative correctly.
April 14, 2012 by casidhe

Calculus
y= ln3x *e^2x^2 + sin5x^2 find the derivative. i know what to do. but what is the derivative of ln3x? I can plug it into the product rule then nd solve
January 19, 2012 by Aaron

Calculus (Global Max)
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or second derivative rule ...
October 25, 2008 by George

Calculus
What is the derivative and second derivative of 3x/(x^2-4)
June 22, 2010 by Lala

calculus derivative
find the derivative of: y=(x/(x+1))^3
October 8, 2012 by erica

Calculus
How do I use the product rule to solve these two questions. Much appreciated! xo Find the derivative for k(x) = (5x4 + 2)(3sin x) Find the derivative for m(x) = -ex cos x at x = 1
July 17, 2008 by Veronica

calculus
find the derivative of f(x)=x^2sec^2(3x) also with g(x)=sqrt(cosxsecx) i get zero because cos and sec cancel each other out and derivative of a constant is zero... am i doing something wrong?
March 20, 2011 by anonymous

Calculus
Decide if the following function f(x) is differentiable at x=0. Try zooming in on a graphing calculator, or calculating the derivative f'(0) from the definition. f(x) = x^4sin(2/x), if x is not equal to 0, and f(x) = 0 if x = 0. If it is differentiable, what is the derivative...
February 23, 2011 by Abigail

calculus
If the hands on a clocktower's clock are 2ft and 3ft long, how fast is the distance between the tips of the hands of the clock changing at 9:20? I know that the derivative of the minute hand is pi/30 rad/min and derivative of the hour hand is pi/360 rad/min. what is the ...
November 11, 2012 by nico

calculus
in a time of t seconds, a particle moves a distance pf s meters from it's starting point, where s=3t^2 Find the ave velocity between t =1 and t=1+h if.... a) h=.1 b)h+.01 c)h=.001 Which approximation is closest to the EXACT derivative at ...t=1? Estimate the exact derivative ...
February 17, 2011 by anthony

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. ...
May 15, 2008 by Anonymous

Calculus-verify
What is the second derivative of f(x) = 5/3x^(3) - x^(3/2) + 6? Second derivative of f(x) = 5/3x^(3) - x^(3/2) + 6 is f''(x)=10x + 3/(4sqrt of x)
March 7, 2012 by jessica

calculus
You are given the following function. f(x)= (8+x)/(1-8x) (a) Find the derivative of the function using the definition of derivative. (b) Give the domain of the function. c) Give the domain of derivative of function?
February 28, 2010 by isha

Calculus
I need help with finding first and second derivative--simplify your answer. Y=xtan(x) I solved first derivative xsec^2(x) + tan(x) I don't understand how to get the first...can someone show me the steps with explanation?
March 20, 2011 by Janet

calc
derivative of (x^3/6)+(1/2x)? i got (x^2/2)-(1/2x^2) is that correct? and then wut is the (F'(x))2?...meaning the derivative squred? if you meant (1/2)x^2 - 1/(2x^2) you are correct I don't think they are looking for the square of the derivative, but rather the second ...
May 6, 2007 by MARY

Math:Calculus
Use the Fundamental Theorem of Calculus to find the derivative of g(x)=1/(1+t^5)dt in the interval 1 to x.
November 22, 2010 by HELP!!!!

Calculus - First Derivative
Original Equation: f(x) = e^(-x) - e^(-2x) Did I take the first derivative correctly? I seem to get undefined when I isolate for x to determine the extreme values? f'(x) = -e/ x + 2e/2x f'(x) = (-2ex + 2ex) / 2x^2
June 4, 2008 by Anonymous

math, calculus 2
Use part 1 of the Fundamental Theorem of Calculus to find the derivative of g(x)= integrate from 9x to 4x of ((u+4)/(u-1))du
August 29, 2012 by bobby

Calculus Help STEVE
find y'' by implicit differentiation. 2x^3 + 3y^3 = 8 I got the first derivative as you but the problem was asking for second derivative by implicit diff. this is where i got confused. Thank you!!!
March 20, 2014 by Matt

Calculus
Find the anti derivative of the following: 1. u^-2(1-u^2+u^4)du 2. (sqrt(x)+ 3/x - 2e^(x))dx The anti derivative symbol is in front of the equations. Also need help on find f(x) so that it satisfies f'(x) = 1+e^x+1/x and f(1) = 3+e. Please show steps so I can understand. Thanks.
April 16, 2013 by Rene

math derivative please help
the derivative of 2x^e is zero right or no? do i have to use the log formula 2 x^e is x to the power 2.718.. It is not a constant and therefore the derivative is not zero. Use the formula for the derivative of x to a power that is constant (x^a). The formula for that may ...
September 24, 2006 by Anonymous

Calculus (Derivatives)
What is the derivative of the this functon? g(x) = -500/x, x cannot equal 0. I know that in order to fnd the derivative I need to put the function into the equation for evaluating derivatives as limits. lim as h -> 0 (f(x+h) - f(x))/h I did this, but I am having ...
November 1, 2011 by Mishaka

Calculus AP need help!
Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. If f(x)= ∫(4,x^3)√(t^2+10) dt then f '(x).
April 17, 2012 by dania

Calculus
Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. intergral s^2/(1+3s^4) ds from sqrtx to 1 F'(x)=?
April 18, 2014 by Brady

Calculus
Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative Please show me how u got this!!
April 27, 2013 by Gabby

Calculus
find derivitive of 1/square root of x 1/square root of x = x^(-1/2) The derivative is -1/2 x^(-3/2) can you keep going on the problem to not have negative exponents? You can also use that the derivative of 1/f(x) is given by: -f'(x)/[f(x)]^2 If you take f(x) = sqrt(x) and use ...
January 18, 2007 by Linds

calculus
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10? B) So once that is found, then how can you prove that if 0(<or=)u(<or=)v(<or=)10, then 0(<or=)sqrt(u+1)(<or=)sqrt(v+1)(<or=)10? * calculus - Damon, Saturday, April 3, ...
April 4, 2010 by Sarita

Calculus:check please
given: 1st derivative is 2(2-3x-2x^2)/(1+x^2)^2 (quotient rule) I've found the stationary points to be x=1/2 and x=-2 Am I on the right track? If so, I plan to plug in values to the L andR of them into the whole derivative so as to clasify them. Still on track? Thanks those ...
August 10, 2007 by charlie

Calculus
For 0 < x < PI/2, if y = sin(x)^x, then dy/dx is.. I understand that you can take the natural logarithm of both sides and then take the derivative but why can't I simply take the derivative of it and get.. dy/dx = x(cos(x))(sin(x))^(x-1). Thanks in advance :).
March 30, 2008 by Anonymous

calculus
1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 a. Does this function appear to have a positive or negative first derivative? Second derivative? * I think both derivatives are negative b. Estimate (f prime) f^' (2) and f^' (8) ...
February 22, 2012 by JJ

12th Grade Calculus
Find d^2y/dx^2 by implicit differentiation. x^(1/3) + y^(1/3) = 4 I know that first you must find the 1st derivative & for y prime I got 1/3x^(-2/3) + 1/3y^(-2/3) dy/dx = 0 Then for dy/dx I got dy/dx = [-1/3x^(-2/3)] / [1/3y^(-2/3)] I think that from here I would use the ...
December 14, 2010 by Liz

Calculus
Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show me how u got this!
April 28, 2013 by Gabby

Calculus
Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show me how u got this!
April 28, 2013 by Gabby

Calculus Please Need Urgent3 :/
Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. F(x)= (s^2)/(1+3s^4)ds from sqrtx to 1 F'(x)=? Thank you so much guys!
April 19, 2014 by Jay

math
Find the derivative of y=3x-2(4^x) Here is my attempt: Derivative of 3x is 3 Derivative of 2 is 0 derivative of 4^x is 4^x(ln(4)) Answer: 12^x(ln(4)) Is this correct? If not please explain what I did wrong and what the correct answer is and why. Thanks!
October 15, 2013 by Anonymous

calculus
Given y^4 -x^4=16 find and simplify d2y/dx2 using implicit differentiation. I got the first derivative which was x^3/y^3 and no im am stuck on using implicit differentiation for the second derivative part
March 1, 2012 by Anonymous

calculus
Please help. Applying the chain rule, how do I find the derivative of f(x)=In(e^x-e^-x) (x>0) and then using this answer use the quotient rule to find the second derivative. I cannot do this so any answer greatly appreciated.
May 3, 2011 by mary

calculus
Find the length of the arc formed by y = (1/8)(4x^2-2ln(x)) from x=4 to x=8. I found the derivative of the function and got y'= x-(1/4x) Where I'm lost now is after plugging it into the arc length equation: integral of sqrt(1+(x-(1/4x))^2). Squaring the derivative yields me ...
August 24, 2008 by Arc Length

Calculus
For f(x)=2(x+5)^3 +7 Find and classify the extreme values, determine where the function is increasing and decreasing, where it is concave up and concave down, and any points of inflection. I understand this is using the first and second derivative tests, but I can't find any ...
July 22, 2014 by Natalie

Calculus
After t hours of an 8-hour trip the distance a car travels is modeled by: D(t)= 10t + (5)/(1+t) - 5 where D(t) is measured in meters. a) derive a formula for the velocity of the car. b) how fast is the car moving at 6 hours? c) derive a formula for the car's acceleration. My ...
March 18, 2007 by Aletha

Pre-Calculus
Determine the derivative at the point (2,−43) on the curve given by f(x)=7−7x−9x^2. I know that the answer is -43, but I was wondering if it was just a coincidence that the derivative at the point (2,−43) is -43, or is there a reason why -43 is the same...
October 19, 2013 by Ann

Calculus
Okay, I know that the derivative functon of the function -500/x is 500/x^2, but I am having a hard time getting to this result using limit notation. Could someone show or explain the steps used in limit notation to get the derivative of 500/x^2?
November 9, 2011 by Mishaka

Calculus AB
I'm trying to find the second derivative of h(x)= x^2 + cos(kx) My answer for h'(x) is 2x - ksin(kx) but I'm not sure if that's right. Then the answer I got for h''(x) was h''(x) = 2 - k^2cos(kx) but I'm pretty sure that's wrong based on the graph I was given. Is my answer for...
May 6, 2012 by Kris

calculus
relative extrema x^3 + 1/2x^2 - 2x + 5 Ok I have 3x^2 + x - 2 = 0 Am I on the right track? I think i know why I kept on asking for help with these pribelms. I forgot the step of factoring. Please check... 3x^2 + x - 2 = 0 (3x-2)(x+1)=0 x=2/3, x=-1 Correct. Nice job. If you ...
March 9, 2007 by dee

Calculus
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?
May 21, 2012 by Sam

calculus - what is the derivative?
Let f(x) = 2x^2 + 1 a. Find the derivative f' of f. b. Find an equation ofthe tangent line to the curve at the point (1,3). c. Sketch the graph of f. *Can someone please help me? I have been trying to do my homework for some time now and I am stuck on this problem. I do not ...
September 21, 2008 by B :)

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
January 2, 2011 by adela

Derivatives- Math
Can someone explain how to find the derivative of : 1. y= 5^x / x And the second derivative of: y= xe^10x For this question I got up to the first derivative and got this y = e^10x + 10xe^10x but I can't seem to get the correct answer for the second derivative.
April 19, 2010 by Mae

Calculus
Compare the difference quotient and the derivative. For each, describe 1) where they come from, 2) what they represent, and 3) whether or not they are a limit. Then, state one way in which the derivative and difference quotient are the same, and one way in which they are ...
May 8, 2009 by y912f

calculus
Compare the difference quotient and the derivative. For each, describe 1) where they come from, 2) what they represent, and 3) whether or not they are a limit. Then, state one way in which the derivative and difference quotient are the same, and one way in which they are ...
May 8, 2009 by y912f

calculus
Compare the difference quotient and the derivative. For each, describe 1) where they come from, 2) what they represent, and 3) whether or not they are a limit. Then, state one way in which the derivative and difference quotient are the same, and one way in which they are ...
May 8, 2009 by y912f

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