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Derivatives
Page 7
Questions (1,913)
what is the derivative of x/tan(x) and find f'(pi/4)
f'(x)=(tanx-x*sec(x)^2)/(tanx)^2 That's the quotient rule for derivatives or
3 answers
asked by
david
909 views
Suppose lim x->0 {g(x)-g(0)} / x = 1.
It follows necesarily that a. g is not defined at x=0 b. the limit of g(x) as x approaches
3 answers
asked by
Jen
1,622 views
Suppose that f(π4)=−4 and f′(π4)=7, and let g(x)=f(x)sinx and h(x)=cosxf(x). Answer the following questions.
1. Find
3 answers
asked by
cm
472 views
If f ( x ) = 4 x ( sin x + cos x ) , find f ' ( x ) .
f'(x)= Evaluate the derivative at x = 3. Enter an approximation, rounded to
3 answers
asked by
Johnny
674 views
The demand function for the Luminar desk lamp is given by
p = f(x) = −0.1x^2 − 0.7x + 20 where x is the quantity demanded in
3 answers
asked by
Gabrielle
1,891 views
Given that the graph of f passes through the point (1, -4) and that the slope of its tangent line at (x,f(x)) is 2x+1, find
4 answers
asked by
Robert
1,996 views
Given f'(x)=(2-x)(6-x), determine the intervals on which f(x) is increasing or decreasing
Options: 1) Decreasing (-∞,2);
4 answers
asked by
Karen
3,489 views
f'(x)=sqrt(x)*sin(x)
The first derivative of the function f is given above. If f(0)=0, at which value of x does the function f
4 answers
asked by
Mike
798 views
A particle moves along the curve y=lnx so that its abscissa is increasing at a rate of 2 units per second. At what rate is the
4 answers
asked by
Alexa
1,995 views
A ball is thrown vertically upward with an initial velocity of 128 feet per second, the ball’s height after t second is s(t) =
3 answers
asked by
syu
1,759 views
Find dy/dx for 5x^2-2xy+7y^2=0
I'm getting confused with signs.
4 answers
asked by
Anonymous
1,150 views
f(t) = − 4 t2 − t− 6
Find the equation of the line tangent to the graph of f(t) at t = 8. Enter the equation of the tangent
4 answers
asked by
Anonymous
558 views
Determine all values of x, (if any), at which the graph of the function has a horizontal tangent.
y(x) = 6x/(x-9)^2
4 answers
asked by
cal
2,303 views
A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another
4 answers
asked by
Mike
2,638 views
Use the shortcut rules to mentally calculate the derivative of the given function
f(x) = −x + (3/x) + 1 After deriving it, I
4 answers
asked by
Nick
1,326 views
Determine the slope of the tangent to the function f(x)=5xe^x at the point with x-coordinate x=2
a) -1/5 b) 10e^2 c) 15e^2 d)
3 answers
asked by
Melinda
726 views
Gravel is being dumped from a conveyor belt at a rate of 20 cubic feet per minute. It forms a pile in the shape of a right
5 answers
asked by
What is wrong with it?
2,053 views
f(x)=3-5x , (-1,8) find the slope of the tangent line to the graph of the function at the given point
how do you figure this out?
4 answers
asked by
art
1,509 views
Find the slope of the tangent line to the curve y = (x^2 -8)^6 at x = 3, and
write the equation of the tangent line.
2 answers
asked by
Preston
587 views
Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(-3) by computing the average rate of change of f(x)over a small
1 answer
asked by
anonymous
993 views
The curve below is called a witch of Maria Agnesi. Find an equation of the tangent line to this curve at the point (-2, 1/5).
y=1
4 answers
asked by
Ava
2,042 views
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
4 answers
asked by
Anonymous
2,297 views
The sides of the triangle show increase in such a way that
dz/dt = 1 and dx/dt = 3 * dy/dt. At the instant when x = 12 and y = 5,
3 answers
asked by
ANd
389 views
Consider the function h(x)=e^x. Determine the equation for the tangent line at x = 1. All values must be exact (no decimal
4 answers
asked by
Anonymous
1,261 views
how to find the derivative of the function. y=integral cos(u^4) from 4cos(x) to 4x
4 answers
asked by
Manuel
895 views
The velocity of a ball that has been tossed vertically in the air is given by v(t) = 16 − 32t, where v is measured in feet per
3 answers
asked by
George
888 views
A particle moves along the x-axis with position function s(t) = esin(x). How many times in the interval [0, 2π] is the velocity
3 answers
asked by
Anonymous
1,703 views
What is the instantaneous slope of y =8/x at x = -3?
What is the average rate of change of y with respect to x over the interval
4 answers
asked by
Jack P
2,632 views
Whats the 2nd derivative of
4xsecx I got 4secxtanx+8xsecxtan^2x
3 answers
asked by
Edward
660 views
Find the point on the curve x=4y-y^2 where the tangent to the curve is a vertical line.
My work: Finding the derivative.
3 answers
asked by
David
574 views
FIND THE DERIVATIVE OF THE FUNCTION
f (x) = 10e^x
3 answers
asked by
KELLY
1,083 views
Find an equation of the tangent line to the curve at the given point.
y= (1+3x)^12 , (0,1) and find y' and y" y=cos(x^2) I got y'
4 answers
asked by
michelle
1,251 views
if f(x) = square root of e^2x +1, then then f'(0) equals what?
3 answers
asked by
shane
1,710 views
If f(x) = 2 √x, use the definition of derivative to find f′( x )
2 answers
asked by
Trevor
1,276 views
find the first and second derivatives of
(Ax^2+Bx+c)e^(3x) should i distribute e^3x into the prenthesis? or is there an easy
3 answers
asked by
mary
664 views
Find dy/dt if x=sqrot7/8 and x^2+ y^3=1 and dx/dt=2.
3 answers
asked by
Asim
192 views
Any help with these 3 calc questions will be appreciated!
The link to the chart is below: media. cheggcdn.com /media/a86/
4 answers
asked by
Kentyn Kai
782 views
find from first principle,the derivative of 2x^2-x with respect to x
4 answers
asked by
Lilz
502 views
Help!!!
determine the slope of the graph x^2=ln(xy) at point (1,e)
4 answers
asked by
Ke$ha
2,751 views
The fuel consumption (gallons per hour) of a car traveling at a speed of v miles per hour is c = f(v).
1) What is the meaning of
4 answers
asked by
Maia
1,568 views
solve for y' in the function y=sec^3(2x)-3sec2x
3 answers
asked by
mica vega
983 views
Determine the slope of the tangent to the function f(x)=5e^x - 2e^(2x) at the point with x-coordinate x=1
3 answers
asked by
Sara
841 views
find the derivative of y with respect to x if y=(13x^2-26x+26)e^-3x. y'=
2 answers
asked by
Duane
680 views
The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars.
Do you think the values of f'(x) will increase or
2 answers
asked by
Anonymous
813 views
Find the function f, given that the slope of the tangent line at any point (x,f(x)) is f '(x) and that the graph of f passes
4 answers
asked by
Vanessa
2,887 views
a curve is such that dy/dx=4x+7. the line y=2x meets the curve at point 'P'. Given that the gradient of the curve at P is 5.
3 answers
asked by
Ashley
705 views
Determine the derivative for y=tanxcosx
a) y'=-sinxtanx + cosxsec^2x b) y'=-sinxtanx + cosxtanx c) y'=cosxsec^2x d) y'=sinx -
4 answers
asked by
Melinda
546 views
Consider the curve defined by 2y^3+6X^2(y)- 12x^2 +6y=1 .
a. Show that dy/dx= (4x-2xy)/(x^2+y^2+1) b. Write an equation of each
4 answers
asked by
Taeyeon
2,254 views
Find the slope of the tangent line to the graph of the function at the given point.
g(x) = 17 − x^2; (3, 8)
4 answers
asked by
Anonymous
1,351 views
Find the derivative of (ln(tan(x))/3pi
3 answers
asked by
Caleb
418 views
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Parent Categories (24)
Algebra
Calculus
Calculus / Functions
Calculus or Mathematical Concepts
Calculus Sub-sub-category: Derivatives
Differentiable functions
Differential Calculus
Differentiation
Exponential Functions
Finance
Finance and Investments
Functions
Identification of Compound A
Investing
Investment
Investments
Limits
Limits and Continuity
Mathematics
Mathematics (or Calculus)
Spelling Words
Trigonometry
Vocabulary
Vocabulary/Word Choice