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how big must n be so that the absolute value of the error in using the trapezoid rule is less than .00001?
for the integral
4 answers
asked by
sarah
341 views
how would you do this improper integral
1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1)
1 answer
asked by
sarah
341 views
using l'hopsital's rule:
find the limit as t approaches 1 of sin(pi t) / 1 - ln t
1 answer
asked by
brain
380 views
a pie dish has base diameter 8 inches and top diameter 10 inches and height 2 inches.
what is the volume of the disk? do I do it
4 answers
asked by
laura
530 views
how would you find the derivative of:
f(x) = (x^2 + 1)^ (2-3x)
1 answer
asked by
Anonymous
253 views
If 4x2+3x+xy=2 and y(2)=–10 , find y'(2) by implicit differentiation.
i keep getting the wrong answer for this problem evn when
3 answers
asked by
sara
477 views
The equation of the tangent line to y=f(x) at a=2 can be written in the form y=mx+b where f(x) =4sinx/4sinx+6cosx
i already got
4 answers
asked by
sonia
615 views
oil is leaking from a pipeline on the surface of a lake and forms an oil slick whose volume increases at a constant rate of 2000
3 answers
asked by
sam
1,341 views
let f be function given by f(x)= Ln(x)/x for all x> 0. the dervative of f is given by f'(x)= (1 - Ln(x))/x squared.
a) write
5 answers
asked by
sarah
5,972 views
t= hours 0 1 3 4 7 8 9
l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9
2 answers
asked by
sarah
622 views
If f(6) = 7, g(6) = 5, f '(6) = -2, and g'(6) = 8, find the following numbers.
(a) (f + g)'(6) (b) (fg)'(6) How do you go about
1 answer
asked by
mike
341 views
Let C be the curve which is the intersection of the half-cone S1 = {(x,y,z)|z=sqrt(x^2 + y^2} and the paraboloid S2 =
1 answer
asked by
mark
387 views
how do you find the volume enclosed by x=3y and x=y^3 rotated about the y-axis? when y=>0
4 answers
asked by
alexis
862 views
find the length of the curve
x=3y^(4/3)-((3y^(2/3))/32)? on -343<x<27
1 answer
asked by
alexis
451 views
calculate the critical points of f(x)=xe^-x
i plugged in zero in the derivative, and i got: e^-0*0e^-0 = 0 1*0= 0 so is the
1 answer
asked by
kate
290 views
is this correct?
the derivative of A=.5absin(theta) where a and b are constants, is A'=.5ab*cos(theta)
1 answer
asked by
joe
427 views
what is the derivative of 1/x??
1 answer
asked by
Dan
301 views
Suppose a curve is traced by the parametric equations
x=1sin(t) y=18-3cos^2(t)-4sin(t) At what point (x,y) on this curve is the
4 answers
asked by
alexis
2,692 views
Find the area of the surface obtained by rotating the curve of parametric
x=3t-(3/3)t^3 y=3t^2 0<=t<=1 what is the surface area
3 answers
asked by
alexis
611 views
the spiraling polar curve
r=5e^20 from 0 to 2pi how do you find the length?
2 answers
asked by
alexis
809 views
t 2 4 6 8 10 12
v(t) 44 42 41 40 37 35 the velocity in the table is decreasing 2 </= x </= 12. Using n=5 subdivisions,
1 answer
asked by
Dan
424 views
a ball with mass 0.15 kg is thrown upward with initial velocity 20 m/sec from the roof of a building 30 m high. there is a force
2 answers
asked by
cyrus
896 views
Integral from 1 to 3 of ( 19 + 2x - 20x ) dx
thanks
5 answers
asked by
Michael
430 views
What is the integral of 20 * (sinx)^3 * (cosx)^2?
3 answers
asked by
Michael
284 views
what is the derivitave (f prime) of sin(x/2)?
1 answer
asked by
em
437 views
ln(a² − b²)
3 answers
asked by
cindy999
380 views
Find the total area enclosed by the curves
y= absolute value of x; y=x^2–2
5 answers
asked by
salina
431 views
find f'(x)
(sinx)^cosx
6 answers
asked by
Anonymous
327 views
a machine can produce 12 clay figure per hour.it costs $750 to set up the machine and $6 per hour to run the machine.each clay
1 answer
asked by
natasha
436 views
water is stored in a tank in the shape of an interval cone of height 10ft and diameter 6ft.express the volume of water in the
2 answers
asked by
natasha
556 views
an open box is to be made from a 4 ft by 5 ft piece of cardboard by cutting out squares of equals sizes with width x ft from the
1 answer
asked by
natasha
402 views
a closed box has a base twice as long as it is wide.if its volume is 100 in cubed,express its surface area as a function of the
2 answers
asked by
natasha
572 views
a 1 mile racetrack has two semicircula ends connected by straight lines.express the area enclosed by the track as a function of
3 answers
asked by
natasha
1,350 views
a 1 mile racetrack has two semicircula ends connected by straight lines.express the area enclosed by the track as a function of
1 answer
asked by
natasha
687 views
suppose tanh(x)=y
express as a function of y coth (x)?
1 answer
asked by
Anonymous
335 views
derivative of f(x) = x/(sqrt(x^2-4))
1 answer
asked by
me
291 views
Using L'Hospital's Rule,
find, the limit as x approaches 0 of x^(sinx)
2 answers
asked by
Laura
519 views
f(x)= x^3/x^2-16 defined on [-19, 16]
How would you find the vertical asymptopes? and the inflection point? I think you take the
3 answers
asked by
Paisley
601 views
Find x.
Supplementary angles with measures 10x+7 and 7x+3. Complementary angles with measures 3x-5 and 6x-40.
4 answers
asked by
bob
3,480 views
Give 2 positive and 2 negative angles that are coterminal with each angle?
1. 30 degrees 2. 135 degreed 3. -93 degrees
4 answers
asked by
peter
3,034 views
Give 2 positive and 2 negative angles that are coterminal with each angle?
1. 30 degrees 2. 135 degreed 3. -93 degrees
1 answer
asked by
peter
439 views
i did this problem and it isn't working out, so i think i'm either making a dumb mistake or misunderstanding what it's asking.
A
4 answers
asked by
jane
3,256 views
Consider the function f(t)=2sec^2(t)–10t^3. Let F(t) be the antiderivative of f(t) with F(0)=0.
Then F(2) my problem is i get
1 answer
asked by
sonia
414 views
integral from -2 to -8
(10x–9x^2)dx use midpoint approximation with n=3 my points were (-8,-6) (-6,-4) (-4,-2) i added them up
1 answer
asked by
haris
426 views
Air resistance acting on a falling body can be taken into account by the approximate relation for the acceleration:
a=dv/dt=g-kv
5 answers
asked by
Joe
976 views
f(x)=7x-4
a) f(0) b) f(-3) c) f(b) d) f(x-1)
6 answers
asked by
kim
435 views
FInd f'(a) for the function, f(x)=(1+2x)/(1+x)
lim h->0 ][(1+2(a+h))/(1+a+h)]-[(1+2a)/(1+a)]]/h I got rid of the denominator lim
4 answers
asked by
sh
554 views
how does 2cos^2 x - 2sin^2 x = 2cos2x
1 answer
asked by
Ashlynn
372 views
integral of 1 to e^4 dx/x(1+lnx)
1+lnx = a => dx/x = da dx/ x(1+lnx) = da/a int of da/a = In(a) =>int of dx/ x(1+lnx) =
2 answers
asked by
angela s
493 views
What are the first and second derivatives of y = (1/x^2)-(1/(x-2)^2)?
4 answers
asked by
Freddy
375 views
let f(x)= -x^2 +3x on the interval [1,3] . Find the absolute maximum and absolute minimum of f(x) on this interval
1 answer
asked by
casey
442 views
Let g(s)=1/(s-2)on the interval (0,1). Find the absolute maximum and absolute minimum of g(s) on this interval
3 answers
asked by
casey
948 views
logarithmic differentiation of find derivative of y= square root of x^x
1 answer
asked by
jackie
730 views
a) A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 40 ft/s^2. What is the
3 answers
asked by
Jill
2,073 views
find the derivative of x-lnx
1 answer
asked by
jackie
365 views
a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For
4 answers
asked by
Mark
505 views
a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For
2 answers
asked by
Mark
455 views
f(x)= x^2 / (x-2)^2
find the intervals of concavity and the inflections points
3 answers
asked by
jackie
828 views
differentiate y=3^xlnx
1 answer
asked by
jackie
349 views
A manufacturer of aluminum cans has budgeted 20ð square centimeters of material for each can. What is the maximum volume that
3 answers
asked by
jackie
347 views
Integrate (1/2)^(3x+2)dx using substitution.
1 answer
asked by
Carly
432 views
What is the volume of the solid with given base and cross sections?
The base is the region enclosed by y=x^2 and y=3. The cross
1 answer
asked by
Suzanne
419 views
cylindrical shells
the problem says rotate about the x-axis these are the two equations given: x+y=3 AND x-4=-(y-1)^2
1 answer
asked by
robert
270 views
A train travels from city A to city B. The cities are 600 miles apart. The distance from city A at t hours
after the train leaves
2 answers
asked by
h
693 views
Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals
C(q) = 500 + 2q +1/5q2. The marginal cost MC(q)
3 answers
asked by
o
743 views
Let f(x) = x2 + 3x + 2. Find the equation of the line containing (1, f(1)) and (3, f(3)).
1 answer
asked by
k
351 views
Find the domain of g(t) = sqrt (3t + 15.)
1 answer
asked by
pete
392 views
Solve the inequality x^2 + 7x + 12 < 0.
1 answer
asked by
sara
280 views
Suppose the cost C(q) (in dollars) of producing a quantity q of a product
equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q)
1 answer
asked by
ty
632 views
Let f be the function defined by f(x) = (x
2 + 1)e -x for -4 < x < 4. a. For what value of x does f reach its absolute maximum?
3 answers
asked by
john
794 views
Find the critical numbers of the function.
f(x) = x^-2ln(x)
3 answers
asked by
Morgan
1,419 views
how do i find the derivative of........ (sinx) ^2-(cosx) ^2 i put it into my t-89 and got -4sinxcosx butthats not a multiple
1 answer
asked by
James
348 views
how to find the integral of this function
x^2 * root(x^3+1)
1 answer
asked by
James
252 views
find the critical no's/ points in
(X^-2)(lnx)
5 answers
asked by
Mia
435 views
Consider the function below. (Round the answers to three decimal places. If you need to use - or , enter -INFINITY or INFINITY.)
2 answers
asked by
Anonymous
585 views
f(x) = e^x/1+e^x
find the horizontal and vertical assymptotes? find the interval whr f is increasing? Find the inflection point.
1 answer
asked by
bella!
510 views
Consider the function below. (Round the answers to two decimal places.
f(x) = 2x tan(x) -p/2 < x < p/2 (a) Find the interval
1 answer
asked by
bella
659 views
Consider a function f : {R}^2 \to {R}^2 for which f(4, -4) = (3, 3) and f{D}f(4, -4) = (5 4)
(-3 0) <-- this is a 2x2 matrix The
1 answer
asked by
John
350 views
a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward
1 answer
asked by
miley
854 views
How do you find the derivative of:
ln(3x^2 + x - 1) I know the derivative of lnx is 1/x
2 answers
asked by
Ted
629 views
The slope of the tangent line to the parabola y=4x2–3x+5 at the point where x=–5 is:______
The equation of this tangent line
3 answers
asked by
Adam
748 views
determine the x-coordinate of the point on the curve y=2x(lnx) at which the tangent line is parallel to the line y=4x+9
1 answer
asked by
Leo
437 views
f(x)=8cos4x
What is the derivative? Im doing online homework and i keep getting an incorrect answer. How do you work out this
2 answers
asked by
Adam
710 views
the tangent line to the graph of y=sin x at the point (2pi/3, (radical 3)/2) crosses the sine graph at the point where x=?
4 answers
asked by
Lauren
726 views
A car is heading northwest at 80 km/h and a truck is heading east at 60 km/h. Determine the velocity of the truck relative to
2 answers
asked by
Anonymous
931 views
find the horizontal asymptotes of the curve....? im not sure what to do? thanks
y=14x/(x^4+1)^(1/4)
1 answer
asked by
adam
425 views
The points P(-2, 1), Q(-6, 4) and R(4,3) are three verticies of parallelogram PQRS .
Find the coordinate S.
2 answers
asked by
Anonymous
707 views
The points P(-2, 1), Q(-6, 4) and R(4,3) are three verticies of parallelogram PQRS .
Find the coordinate S.
3 answers
asked by
Anonymous
1,794 views
Three verticies of a parallelogram are D(2,1,3), E(-4,2,0) and F(6.-2,4). Find all possible locations of the fourth vertex.
1 answer
asked by
Emma
362 views
A parallelogram has area 85cm squared. The side lengths are 10 cm and 9 cm. What are the measures of the interior angles?
3 answers
asked by
Thomas
785 views
How long will it take for the population to reach 10 times its initial level?
y=50(e)^(0.5t)
1 answer
asked by
Abigail
260 views
You've dropped a lucky penny into the middle of a hemispherical water basin of radius 3m. There is a light on the upper edge of
2 answers
asked by
laur
566 views
find the average rate of change on the indicated intervals f(x) = x^3 - 2x ; [0,4]
1 answer
asked by
alex
264 views
Verify each limit using the limit definition
Lim(2x^2 + 4)=4 X-->0
1 answer
asked by
don
390 views
Find an equation of the tangent line to the curve at the given point.
y = 6 x sin x P= (pi/2 , 3pi) i know the slope of a tangent
5 answers
asked by
calc
1,602 views
Consider the function f(x)=
x^2+a if x<0, 2x+a^2 if 0 less than or equal to x less than or equal to 1, 3 if x>1 a. determine the
7 answers
asked by
Anonymous
468 views
Find the derivatives of the following functions using the differentiation rules.
f(x)=(x^3-2x^2+x+1)(sqrt(x)-3x+9) I did:
3 answers
asked by
Anna
473 views
Consider the following function.
f(x) = 4x3 + x2 - 0.05x + 10 Find the two points on the graph at which the tangent line is
2 answers
asked by
Anonymous
574 views
I am not sure how to approach this...I have to find the value of x that makes the derivate of f(x) equal to zero...here's what I
2 answers
asked by
APpreciate student
861 views
y(s)= 1/(6(s^2)) - 5/s
Find Y'(s)
1 answer
asked by
Mel
364 views
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