11/21/15

find the partial fraction decomposition of the equation.

(4x^2-x-2)/(x^4+2x^3)   find the partial fraction decomposition of the equation.

11/21/15

asymptote F(x)=7+9/(x-3)

horizontal asymptote of F(x)=7+9/(x-3)?

11/20/15

E^(4*x-8) include +C

Antiderivatives E^(4*x-8) include +C

11/20/15

Linear Approximation Help!

Let g(x) = Integal of -25 to x^2 f(t) dt Use the techniques of linear approximation to approximate g(4.8) given the following information about f:f is continuous on (-00,00)f is an odd... more

real and imaginary zeros

Find all the real and imaginary zeros for the polynomial function.  f(x)=x^2+8x^2+5x-14 What are the real and imaginary zeros of (f)=x^3+8x^2+5x-14?     help is greatly appreciated, thank you!

Finding the radius of a circle

What is the radius of a circle in which an angle of 3 radians cuts off an arc length of 30cm?

11/18/15

x^(2/3) + 2 = 3x^ (1/3)

x^(2/3) + 2 = 3x^ (1/3)

Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function: f(x)= 9x^7

Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function:f(x)= 9x^7 + 3x^5 - 8x^3 + 7x - 1

what is the antiderivative: 3e^x + 7sec^2x

this problem has to do with anti derivatives and integrals. please help

11/18/15

solve y= x/(1+ |x|) for x

How to solve this containing modulus of x.

how to solve this synthetic division problem n^5+11n^4+24n^3-24n^2-44n-41/n+6

i want to know how to sovle this synthetic dividion problem. 

11/17/15

Find the dimensions of the garden that minimize the cost

A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $30/ft and on the other three sides by a metal fence costing $10/ft. If the area of the garden is 22... more

11/16/15

Standard form into Vertex form

Put the function y = 7 x^2 + 14 x + 18 in vertex form f(x) = a(x-h)^2 + k and determine the values of a, h, and k.

word expression using 8×-0.25

7th grade math

11/16/15

volume of sphere

Show that where the radius of a circle of  a sphere is doubled, its volume of the sphere increases by 8 times.

11/15/15

Simpson's rule

Use Simpson's rule to estimate using 4 intervals: ∫(from 1 to 3) e^x^2 dx

11/15/15

Find the completely factored form of f (x) = 2x^4 - x^3 - 13x^2 - 6x IF (x+2) is one of the factors

Find the completely factored form of  f (x) = 2x^4 - x^3 - 13x^2 - 6x IF (x+2) is one of the factors

Differentiation Calculus Exponentials

Differentiate y=(x2+1)e((-x^10)+3x)

11/15/15

logarithm applications

polonium 210 has a half life of 140 days. Suppose a sample of the substance has a mass of 300 mg. a) find the function that models the amount of the sample at time t. b)find the mass remaining... more

A home owner wants to fense 3 sides of his rectangular yard. She has 120 feet of fencing available. What dimensions will yield the maximum area?

A home owner wants to fense 3 sides of his rectangular yard. The fourth side will be the side of the house. She has 120 feet of fencing available. What dimensions will yield the maximum area?

11/15/15

Logarithm applications

a logistic model for the word population is P(t)=73.2/(6.1+5.9e^-0.02t) where t=0 indicates the year 2000 and the population is measured in billions. a) what world population does this model... more

11/14/15

Evaluate the following indefinite integral

Evaluate the following indefinite integral:   ∫9/(√4-x2) dx

11/13/15

If f(x) = (x3 - 4)7, then what is f '(x)?

If f(x) = (x3 − 4)7, then what is f '(x)?

How far does the plane fly in total?

A certain flight from LaGuardia airport has two legs, with layover in between. The first leg of the flight is 200 miles shorter than the second leg, and the total time in the air is 4.2... more

11/13/15

F(5,0) directrix y=-4

F(5,0) directrix y=-4  

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