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sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
2 answers
asked by
luca
918 views
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
1 answer
asked by
luca
414 views
find the absolute maximum and minimum for f(x) = x+ sin(x) on the closed interval [0, 2pi]
3 answers
asked by
chrissy
2,015 views
f(x) is a polynomial function such that f(-2)=5, f'(-2)=0, and f''(-2)=+3. The point (-2,5) must be an _______ of the graph of
1 answer
asked by
chrissy
481 views
Convert theta= 225° to rectangular form.
1 answer
asked by
meelizah
460 views
Which of the following statements would always be true?
I. If f is differentiable at x = c, then f is continuous at x = c. II. If
3 answers
asked by
Meera
1,392 views
Find the slope of the tangent line to the graph y = x-3 at the point (0.5, 8)
1 answer
asked by
Meera
307 views
find derivative d/dt of sec * square root of t
2 answers
asked by
Meera
714 views
find f(X)=(sin x)*1/2
1 answer
asked by
daryl
264 views
Find the volume of a solid formed by region R which is bounded by y = 1/(x^2+1) and y = -cos(x) and rotated about the line y =
1 answer
asked by
taylor
328 views
Find the volume of a solid formed by region R which is bounded by y = 1/(x^2+1) and y = -cos(x) and rotated about the line y =
1 answer
asked by
taylor
331 views
Find the perimeter of region R which is bounded by y = 1/(x^2+1) and y = -cos(x).
2 answers
asked by
taylor
596 views
What function should be used to maximize the volume of an open box that has a surface area of 24 and has a square bottom. x is
1 answer
asked by
daryl
398 views
integral (x^2+x-1)/(x+1) dx can you please explain maybe not step by step but not just the answer please thanks
1 answer
asked by
kmac
257 views
find the volume of the solid generated by revolving around the x-axis: y=e^(x-8), y=0, x=0, x=10
So I know you can use the washer
2 answers
asked by
Anonymous
755 views
find the derivatives of the given functions.
g(t)=sqrt t(1+t)/t^2
5 answers
asked by
Jake
896 views
the base of s is a elliptical region with boudary cuvrve 16x^2 +16y^2 =4. cross sections perpandicular to the x axis are
1 answer
asked by
mike
385 views
The price in dollars of a house during a period of mild inflation is described by the formula P(t)=94000 e0.03 t, where t is the
2 answers
asked by
Hannah
733 views
find the limit:x->3 ln(x/3)/x^2-9
1 answer
asked by
Jake
239 views
Given that a window entails a rectangle capped by a semi-circle, given that the semi-circle’s diameter concides with the
3 answers
asked by
Anonymous
535 views
integrate 1/(1+(e^-x))
please provide steps
1 answer
asked by
Anonymous
285 views
Integrate 2(x^2)e^g(x) where g(x)=4^(x^3)
1 answer
asked by
Sunny
414 views
Given X^2 + Y^2 = R^2, namely, a circle with center (0,0) and radius R, use integration to prove that the circle’s area equals
1 answer
asked by
Sunny
344 views
If an open box has a square base and a volume of 91 in.3 and is constructed from a tin sheet, find the dimensions of the box,
1 answer
asked by
Anonymous
472 views
15. Given ensuing information, determine the least cost and the least cost mix of on-
and off-shore pipe. • • • • The
3 answers
asked by
Ryan
753 views
Integrate
1/(ln(x)); f(e^e)=1 please provide step! confused because of f(e^e)!
1 answer
asked by
Sunny
309 views
x^2 + √(x+y) + y^2 = 0; y is a differentiable function of x
1 answer
asked by
Sunny
304 views
Find an equation of the tangent line to the graph of f(x) = (x3
− 3x2 + 1)(2x4 − 1) at x = −1.
3 answers
asked by
hannah
470 views
An ice hockey puck is sliding along a straight line so that its position is s(t) =
t3 3 + t2 + t − 7/3 . At which times t is
6 answers
asked by
hannah
405 views
On January 1, 2013, at a price of x dollars, the demand for a certain product was
D(x) = 300 x2 + 10px thousand units per month.
1 answer
asked by
hannah
355 views
The cost of producing d hundred plastic toy dinosaurs per day in a small company
is C(d) = 120 + 30d + 1 8d4 dollars. This
4 answers
asked by
hannah
548 views
Determine whether the statement is true or false.
d dx |x2 + x| = |2x + 1|
3 answers
asked by
Anonymous
1,591 views
Find the slope of the tangent line at (8,8) for the function (16-x)y^2=x^3
Round your answer to two decimal places.
3 answers
asked by
math
721 views
I have everything right but the last question asking how many cases per week
The consumer demand equation for tissues is given by
1 answer
asked by
Kyle
656 views
Calculate the 5-unit moving average of the function
f(x) = x^2/3
3 answers
asked by
kyle
787 views
When 30 orange trees are planted per acre each tree yields 150 oranges For each additional
tree per acre, the yield decreases by
7 answers
asked by
sara
1,353 views
Find an equation for the tangent line to the curve x2y + xy3 = 2 at the point (1, 1).
1 answer
asked by
sara
370 views
The derivative of a function f is f'(x) = x^2 - 8/x: Then at x = 2, f has
A. an infection point B. a relative maximum C. a
4 answers
asked by
sara
343 views
what is the derivative of y=ln (1-x^2)^1/2
so its hard for me to write all of my work on here but i got 1/2(1-x^2) as my answer
1 answer
asked by
hannah
328 views
Find the area of the indicated region. Enclosed by y = −x and y = x4
2 answers
asked by
caitlyn
469 views
Determine if the following functions grow faster, slower, or at the same rate as the function 2e^(2x) as x → ∞.
a. 3.2^(2x)
2 answers
asked by
tony
1,125 views
The slope of the tangent to the curve y=f(x) is given by (1/9)(x^2)(y^2). The curve passes through the point (3,1). Find the
1 answer
asked by
Anon
465 views
The altitude of a triangle is increasing at a rate of 1.000 centimeters/minute while the area of the triangle is increasing at a
4 answers
asked by
Lauren
458 views
If y^3 = 16x^2
Determine dx/dt When x= 4 and dy/dt= -1
1 answer
asked by
Lucy
308 views
The base of a three-dimensional figure is bound by the line y = 6 - 2x on the interval [-1, 2]. Vertical cross sections that are
2 answers
asked by
Jamie
700 views
integral: sqrt (16 + 6x − x^2)
dx
4 answers
asked by
sam
2,698 views
evaluate the integral from 4 to 5.
(x^3 -3x^2 -9)/(x^3 -3x^2)
1 answer
asked by
sara
331 views
Find the exact area of the surface obtained by rotating the curve about the x-axis.
9x = y2 + 36, 4 ≤ x ≤ 8 I keep on getting
5 answers
asked by
sam
2,449 views
Two paths represented by [x, z] = [-82.2, 43] +s [0.2, 1.7] and [x, y] =[-84.4, 45.5] +t [2.4 -0.9]. Determine the intersection
1 answer
asked by
jess
356 views
Find the centroid of the region bounded by the given curves.
y = 2 sin 3x, y = 2 cos 3x, x = 0, x = π/12
1 answer
asked by
Zoey
1,159 views
q 0 125 250 375 500 625 750
C'(q) 27 35 41 45 43 46 51 Give fixed cost = 8800 and cost of producing 250 units is 17425, how much
2 answers
asked by
anon
540 views
let v=i+j+k and w=-2i -k find the magnitude of the projection of w onto v
I thought i use the equation proj w onto v= (v.w)/lvl
1 answer
asked by
rolloo
347 views
a rectangle is inscribed in the upper half of the circle x^2+y^2=a^2 calculate the area of the largest such rectangle.
So A=2xy
3 answers
asked by
hannah
852 views
d/dx of taninverse e^3x
i know tan inverse is 1/1+x^2 but im not sure what to do with e^3x?
1 answer
asked by
jasmine
280 views
Consider the vector function given below.
r(t) = 7t, 3 cos t, 3 sin t (a) Find the unit tangent and unit normal vectors T(t) and
2 answers
asked by
sara
869 views
Give the starting value a, the growth rate r, and the continuous growth rate k.
Round the answer for r to two decimal places Q =
4 answers
asked by
lenny
3,061 views
Use the upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width).
2 answers
asked by
harsha
1,047 views
A water trough is 7 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 100
3 answers
asked by
bob
833 views
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 16
2 answers
asked by
john smit
560 views
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation
2 answers
asked by
john smit
524 views
Air is being pumped into a spherical balloon so that its volume increases at a rate of 100 {cm}^3}. How fast is the surface area
2 answers
asked by
john smit
1,236 views
A farmer intends to fence o a rectangular pen for his pig Wilbur, using the barn as one of the sides. If the enclosed area is to
4 answers
asked by
Angela
1,485 views
verify that g(x)=3x sqrt(x-5) satisfies the condition of rolle's theorem on the interval [0,5]. Find all numbers c that
5 answers
asked by
alex
621 views
Each of the regions A, B, and C bounded by f(x) and the x-axis has area 5. Find the value of
∫2 [f(x)+3x^2+2]dx. −4 I know to
3 answers
asked by
DD
1,592 views
Is the gradient of a function basically like the slope field.
Also what is a conservative vector field. I know the definition but
1 answer
asked by
anon
386 views
f"(x)=10, f'(x)=3 f(0)=1/3 find f(1)
3 answers
asked by
Beth
265 views
I have asked a couple questions about surface integrals but I was not able to fully understand what the person who answered was
4 answers
asked by
rebecca
600 views
The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p
1 answer
asked by
jane
663 views
Give the equation of a plane containing the points (1, 0, 0) and (1, 2, 1) and parallel to
the line whose equations are x = y, z
1 answer
asked by
rebecca
379 views
I have another question (studying for finals, haha)
Let ~r(t) = et cost ~i + et sin t~j be parametric equations of a curve C.
2 answers
asked by
rebecca
489 views
3. If f(x, y)=5 − 4x3 + 8y2, find a unit vector ~u for which the directional derivative
D~uf(1, 1) is zero. im not sure how to
2 answers
asked by
rebecca
576 views
4. Compute ∂z/∂r +
∂z/∂s if z = sin u cos v, u = (r + s)2, and v = (r − s)2.
1 answer
asked by
rebecca
313 views
If D is the solid region in the first octant bounded above by the paraboloid z =
1 − x2 − y2 and below by the xy-plane, the
1 answer
asked by
rebecca
430 views
use green's theorem to evaluate the integral of x^2dy where C is the boundary of the rectangle with vertices
1 answer
asked by
adriana
473 views
A vector parallel to the tangent to the curve x=3t^(4/3) y=2t^3 -1 z= 2/(t^2) at the point (3,-3,2) on the curve is:
the answer
1 answer
asked by
sam
389 views
a lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find
2 answers
asked by
sam
525 views
Is the matrix
6 0 0 5 a linear combination of the matrices 1 0 0 1 and 1 0 0 0 ? how do you figure this out?
1 answer
asked by
sam
378 views
if f'(x)=3x^2-2x+1 and the graph of f(x) contains the point (2,2). find f(x).
Please help I know I need to use integration
1 answer
asked by
Anonymous
313 views
integrate (3+x)x^(1/2)dx=?
please help I have no idea how to integrate this problem
4 answers
asked by
Anonymous
437 views
find this value.
tan(arctan(3)) how do ifind arctan 3
1 answer
asked by
kirsten
366 views
lim
x → ∞ tan−1(x7 − x9)
3 answers
asked by
kirsten
4,044 views
derivative of y=4^(6-x^2)
1 answer
asked by
jessica
289 views
Use logarithmic differentiation to find the derivative of the function.
y = (x^4 + 2)^2(x^3 + 4)^4
1 answer
asked by
kirsten
414 views
A particle moves along the curve below.
y = sqrt(8 + x^3) As it reaches the point (2, 4), the y-coordinate is increasing at a
4 answers
asked by
kirsten
3,142 views
At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 30 km/h. How fast is
4 answers
asked by
sara
2,201 views
At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 30 km/h. How fast is
2 answers
asked by
jessica
771 views
A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of
4 answers
asked by
kirsten
2,483 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that
2 answers
asked by
sam
500 views
When production is 3000, marginal revenue is 7 dollars per unit and marginal cost is 5 dollars per unit. Do you expect maximum
2 answers
asked by
Anonymous
565 views
Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min. It forms a pile in the shape of a right circular cone whose
3 answers
asked by
Anonymous
938 views
If possible, find a, b, and c so that
v = [a b c] is orthogonal to both w = [1 6 1] and x = [1 −9 1]
4 answers
asked by
sara
1,192 views
Let f(x)=2x+15−19ex. Then the equation of the tangent line to the graph of f(x) at the point (0,−4) is given by y=mx+b for
m=
3 answers
asked by
Anonymous
560 views
The base of a triangle is shrinking at a rate or 2 cm/s while the height is growing at a rate of 3 cm/s. How quickly is the area
1 answer
asked by
Anonymous
477 views
Find the maximum possible area of a rectangle in quadrant 1 under the curve y=(x-4)^2 (with one corner at the origin and one
2 answers
asked by
Anonymous
509 views
A boat leaves a dock at 3:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h
2 answers
asked by
sara
923 views
a) Estimate the area under the graph of
f(x) = 10(sqrt(x)) from x = 0 to x = 4 using four approximating rectangles and right
3 answers
asked by
Anonymous
1,163 views
If
f(x) = 3x^2 − 2x, 0 ≤ x ≤ 3, evaluate the Riemann sum with n = 6, taking the sample points to be right endpoints.
1 answer
asked by
sara
932 views
The department of transportation has proposed a new 7-mile stretch of highway. The elevation of the highway x miles along the
2 answers
asked by
Anonymous
499 views
If a cost of a function is C(x) = (49 ln x) / (28-3x), find the marginal cost when x = 7
3 answers
asked by
Luke
294 views
integral from 1 to x of (5/(t^3 +3))dt
1 answer
asked by
sam
337 views
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