 169 Answered Questions for the topic calc

04/16/18

#### Help with calculus!

A weight is attached to a rope 42 ft long. The rope passes over a pulley 22 ft above the ground. A man takes hold of the end of the rope and walks back at 10 ft per second holding the end at a... more
Calc Calculus

01/23/18

#### Find the domain of the following function: f(x)=3x+2(x+5)(x+6)f(x)=3x+2(x+5)(x+6)

Find the domain of the following function:f(x)=3x+2(x+5)(x+6)f(x)=3x+2(x+5)(x+6)
Calc Calculus

10/10/17

#### calculus test prep

A university is trying to determine what price to charge for tickets to football games. At a price of $2525 per ticket, attendance averages 40 comma 00040,000 people per game. Every decrease of$55... more

02/06/17

#### Use differential equation and given point to find f(x)

Use the differential equation and the given point to find f(x).    dy/dx= (-48)/(3x+5)^2             Point: (-1,3)
Calc

09/17/16

#### Solving limits without hopital rule

Hi, I need help understanding how to solve for:    a) lim as x tends to 0 (sin|x|)/(x)    b) lim as x tends to 0 (sinx)^3/ x^2

05/03/16

#### find the equation of the line through the point (3,5) that cuts off the least area from the first quadrant.

find the equation of the line through the point (3,5) that cuts off the least area from the first quadrant.
Calc

05/01/16

#### calc class e

a swimming pool is holding 5300 gallons of water in it. a system is set up to increase the pool water by 16% per hour. how fast is the pool filing up when it has 18300 gallons in it

02/15/16

#### Migratory birds fly north past a check-point at 300-300cos(pi(t)/6) birds per month. t= number of months since the beginning of the year.

A. Find the total number of birds for the year. B. When are the birds migrating the fastest. C. When is the migratory rate increasing the fastest?
Calc

12/14/15

#### Does the following series converges or diverges?

∞∑ (n2-3n+5)/(n3+4n-1)n=1
Calc

12/06/15

#### Does the following series converges or diverges?

∞ ∑ (n2-3n+5)/(n3+4n-1) n=1
Calc

12/06/15

#### Series converges or diverges

∞ ∑ (2n+3)/(n2+3n+1) n=0

11/22/15

#### find domain, range, max, min, inc, dec, con cavity, abs max min

F(x)=2x4-3x3-10x2+20, find domain, range, maximum, minimum, increasing, decreasing, concavity, inflection points, absolute max/min?
Calc Math Calculus

11/17/15

#### Find the relative extrema

Find the relative extrema for f(x)=2sin2 x-cos2x on the interval [0,2π]. Also find the x coordinates of the inflection points of f(x) on this interval. Give the intervals where the function is... more
Calc

10/31/15

#### Calculus Help

I need this question solved and I am stuck.  Let f(x)=2x+1−11e^x. Then the equation of the tangent line to the graph of f(x) at the point (0,−10) is given by y=mx+b. solve for m and b
Calc

09/28/15

Calc

09/13/15

Calc

09/13/15

#### use the definition find derivative

f(x)=√(5-2x)   please explain how to get there
Calc Math Calculus

08/23/15

#### True or false. If true, why? If false, what is a counter example, and can you explain why it contradicts? Please

If f and g are differentiable and f(x)≤ g(x) on [a,b], then f'(x)≤g'(x) on [a,b]
Calc Math Calculus

08/23/15

#### True or false. If true, why? If false, what is a counter example, and can you explain why it contradicts? Please

If f and g continuous function on [a,b] then (upper: b, lower a)∫f(x)g(x)dx=[(upper: b, lower a)∫f(x)dx]*[(upper: b, lower a)∫g(x)dx].
Calc Math Calculus

08/23/15

#### True or false. If true, why? If false, what is a counter example, and can you explain why it contradicts? Please

If F(x)= (upper: x, lower: 0) ∫√(t3+1)dt  then  F'(2)=3
Calc Math Calculus

08/23/15

#### the region bounded by y=0 and y=kx-x^2 is revolved around the y-axis to form a solid whose volume is 10.

what are the exact possible values of k? Hint: use cylindrical shells
Calc Math Calculus

08/23/15

#### exact solution to differetial equation

dy/dy+xy=x , y(0)=1/2
Calc Math Calculus

08/23/15

#### exact solution to differential equation

y'=y , y(2)=3
Calc Math Calculus

08/23/15

#### exact solution to differential equation

y'= (3-x)/xy  , x>0, y(1)=2

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