06/07/16

Taylor series
Find the first five non-zero terms of Taylor series centered at x=6x=6 for the function below.f(x)=lnx   What is the radius of convergence?
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06/03/16

linear approximation
The linear approximation at x=0 to √(6+5x) is A+Bx where A is:?? and B is:??
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06/01/16

Rational Function
Given the rational function??(??) =(t3+t2-6t)/(t2-4) , find the domain, intercepts, holes, and asymptotes. Sketch an accurate graph of the ??rational function?
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05/25/16

Integral limit definition
No limit is visible in integral notation, but integration is defined in terms of a limit.  Give the definition; explain what is being limited, and how this allows an integral to calculate the exact... more
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05/17/16

Find the set of values for k?
Find the set of values for k for which the line y=2x−k meets the curve y=x2+kx−2 at two distinct points.   I only know you have to use a discriminant. :/
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05/16/16

Please Help Algebra
Solve the system of equations.5x + 2y + z = -112x – 3y – z = 177x + y + 2z = -4 1) {(0, -6, 1)} 2) {(-3, 0, 4)} 3) {(3, 0, -4)} 4) {(0, 6, -1)}   Please explain. Failing my Algebra I apologize if... more
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05/16/16

Find the conditional distribution
Suppose that(i) ε ∼ N (0, σ2);(ii) X ∼ N (µ, τ 2);(iii) ε ⊥⊥ X;(iv) Y = α + β X + ε.(a) Find the conditional distribution of Y given X = x.   the solution is:  Y |X = x ∼ N (α + β x, σ2) But, to... more
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05/16/16

Which is a zero of the quadratic function f(x) = 9x^2 – 54x – 19?
Which is a zero of the quadratic function f(x) = 9x^2 – 54x – 19? How to solve this?
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05/16/16

calculate limit of f(x,y) as (x,y) tends to 0 and f(x,y) is defined as 1 when x,y is not equal to 0 and is 0 when x,y is equal to 0
calculate limit of f(x,y) as (x,y) tends to 0 and f(x,y) is defined as 1 when x,y is not equal to 0 and is 0 when x,y is equal to 0
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05/12/16

Which pair of vectors is perpendicular?
A. <4,1> , <-8, 1>   B. <5,0>, <-3,2>   C. <5, -3>, <2,3>   D. <-9, -3>, <2 - 6>  
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05/12/16

Find C x D If ..
Find C x D if C = <3, 0, -2> and D = <-1, 3 , 7>
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05/11/16

How do I simplify this rational expression?
(4x+1)/(x—8) — (2)/(x+2) — (8x+16)/(x^2—6x—16) 
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05/11/16

Need your help badly!
When 1 kg of a substance changes from solid to liquid at its melting point, it must absorb an amount of heat equal to which of the following?A. Latent heat of vaporizationB. Specific heat of phase... more
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05/11/16

how do you solve an exponential function?
An exponential function that passes thru the points (1,4) and (3, 64)
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05/11/16

the solution of the inequality [(3^x-4^x).ln(x+2)]/[x^2-3x-4] is less than or equal to zero?
I would like a hint about solving exponential and logarithmic functions while finding domains?
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05/10/16

Square Root 5x+84 = 3x+28. Solve the equation.
The 5x+84 is square rooted. I am aware that the answer is -7.Just don't know how to work it
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05/10/16

Find its displacement?
A 64 lb object stretches a spring 4 ft in equilibrium. It is attached to a dashpot with damping constant c=8 lb-sec/ft. The object is initially displaced 18 inches above equilibrium and given a... more
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05/10/16

On a game show
Has to do with permutations and combinations   if you're on a game show that has 15 doors, the contestant gets to choose two doors. Behind two of these doors are expensive cars behind the other... more
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05/10/16

what is cramers rule?
how do i use it in matrices
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05/09/16

Find a 99% confidence interval for the population standard deviation s.
The daily intakes of milk (in ounces) for ten randomly selected people were:26.0 13.0 13.5 14.8 19.113.6 21.6 30.8 15.8 14.1Find a 99% confidence interval for the population standard deviation σ. ... more
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05/09/16

Need a quick answer and how you get the answer
2/(x^2-X)=1/X+4/(x^2-1)
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05/09/16

Calculus I Optimization
A rectangular box with square base and a fixed volume V  is to be made from two types of material. The material for the top and bottom costs t  cents per square inch and the material for the sides... more
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05/07/16

How hard would he have to pull on the couch at a 25 degree angle to lift it off the ground?
Jack pulls a couch of mass 38 kg across his apartment . He pulls on the couch at an angle of 25 degrees with a force of 300 N.   Can someone tell me what formula to use and how I would go about... more
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05/07/16

probability and statistics
3 cards are drawn randomly from a deck of 52 cards. What is the probability that at least one is a heart and one is a king?
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05/07/16

Sets---Mean, Median
1. Use the data set {5, 21, 21, 25, 30, 40} to find the requested values: a. Mean b. Median c. Mode d. Range e. Standard deviation
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