03/31/21

Logistic Differential Equation - Calculus
A virus spreads through a population according to the logistic differential equation  where y is the proportion of the population (0 ≤ y ≤ 1) that has the virus at time t. What proportion of the... more
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03/30/21

Find the Surface Area

Find the Surface Area of the curve rotated about the given line. rotated about the x-axis y = sin(x)a = 0 to b = πrotated about the x-axis
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03/30/21

washer and disk method
y=x; y=square root (x); a=0 to b=1. rotated about y=1. Find the volume using both washer and disk method.
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03/30/21

ecuaciones diferenciales
Resolver por inspección: Para las siguientes ecuaciones diferenciales de segundo orden, sean y1 y y2 soluciones de la ecuación diferencial. Determine por inspección si y1 y y2 también es una... more
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03/29/21

Which of the following series could be tested for convergence/divergence with the integral test?

Which of the following series could be tested for convergence/divergence with the integral test? I only II only III only All of them
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03/29/21

Match each series to the test that should be used to test for convergence/divergence. While it is possible that each test could apply to more than one series, in this exercise each is only used once.

Match each series to the test that should be used to test for convergence/divergence. While it is possible that each test could apply to more than one series, in this exercise each is only used... more
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03/29/21

Hi, I need help with math
What is the slope of the line tangent to the polar curve r=4θ^2 at the point where θ=pi/4a) pi/2b) pi^2/4c) 8+pi/8-pid) something else?
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03/28/21

AP CALC AB: Interpretations & Applications of the Derivative & Definite Integral
How would you solve for a) & b) with a calculator?I have a TI-89 Titanium.At time t=0, a tank contains 38 gallons of water. Beginning at t=0, water flows into the tank at a rate of E(t) =... more
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03/28/21

Suppose that the supply of x units of a product at price p dollars per unit is given by the following. p = 50 + 60 ln(4x + 2)
Suppose that the supply of x units of a product at price p dollars per unit is given by the following.p = 50 + 60 ln(4x + 2)Approximate the price increase associated with the number of units... more
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03/27/21

Series tests Harmonic
Does the harmonic series apply to series in which n doesn't start at 1 or zero?For example would it apply for the series?
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03/27/21

Use the ratio test to show that the series the summation from n equals 1 to infinity of the quotient of 4 to the nth power and n factorial is convergent. Be sure to show your work.
Use the ratio test to show that the series  is convergent. Be sure to show your work.
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03/27/21

State why the series the summation from n equals 1 to infinity of the quotient of 1 and 3 raised to the n minus 1 power is convergent or divergent, and if it is convergent, find the sum.
State why the series  is convergent or divergent, and if it is convergent, find the sum.
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03/27/21

If -xy+x=-5y^2-5 then find the equations of all tangent lines to the curve when x=-5. iimplicit derivative at a point

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03/27/21

Let R = {(n, −n) | n ∈ Z and n ≤ 0} ∪ {(n, n + 1) | n ∈ N}. Is R a function? Justify your answer.
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03/27/21

Can you help me identify what literary devices are being used, please?
S = SimileM = Metaphor P = Personification R = Rhetorical QuestionANT = AntithesisH = HyperboleAN = AnaphoraA = AnalogyThere is one example of each device. #1: “Is this the part of wise men,... more
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03/26/21

dimensions of the box to minimize cost
A box with an open top has a rectangular base and has a total volume of 600m3. The length of the box is three times the width. The sides of the box are made of aluminum which costs $5/m2 and the... more
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03/26/21

What is the value of r from these examples?

f(x) = 2(1.25)^x f(x) = 1.25(0.85)^t f(x) = 5(2.24)^t
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03/25/21

ladder and how fast the bottom moves
A  foot ladder is leaning against a wall. If the top of the ladder slides down the wall at a rate of  feet per second, how fast is the bottom moving along the ground when the bottom of the ladder... more
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03/25/21

Which of the following is NOT an improper integral? I need help asap please short question
Which of the following is NOT an improper integral?
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03/25/21

Calculus Question

Find the points at which y=f(x)=2x−ln(6x) has a global maximum, a global minimum, and a local, non-global maximum on the interval .1≤x≤2.7. Round your answers to two decimal places. Global... more
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03/25/21

Which of the following is perpendicular to y=1/2x-6 and passes through (4,2)? A. y=x+5 B. y=4x+2 C. y=1/2x-2 D. y=2x-6
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03/25/21

Use the intermediate value theorem to show that there is a root of the given equation

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03/25/21

for the given function find critical points and infliction
f(x) = 2x^4 − 8x^3 + 1 Find all critical points. Find all inflection points. Determine where all local maximum(s) and minimum(s) occur using either the First Derivative Test or the Second... more
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03/25/21

urgent calculus help (trapezoidal rule)
 Using 4 equal-width intervals, show that the trapezoidal rule is the average of the upper and lower sum estimates for 
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03/25/21

i have question about a similar question
At t = 0 minutes, a tank contains 48 gallons of water. For 0 ≤ t ≤ 4 minutes, water flows into the tank at a rate of 12T sin (pi/4xT) gallons per minute, and water leaks out of the tank at a rate... more
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