09/29/21

Find the value of 𝜆 that makes the determinant 0. | 𝜆 +2 2| second-row -> |1 𝜆 |
Find the value of 𝜆 that makes the determinant 0. | 𝜆 +2 2| | 1 𝜆 |
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09/29/21

The table below shows values from the function f(x)=b^x. Identify b.
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09/29/21

In formally proving that lim x → 1 ( x^ 3 − x^ 2 + 2 x ) = 2 , let Δ > 0 be arbitrary. Choose ÎŽ = min ( Δ/m , 1 ) . Determine m .
i know how to do these problems i just don't know how to do it when you factor it out and it equals x(x^2-x+2)
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08/10/21

Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number
Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number(Simplify your answer. Type an inequality using x as the​ variable.)
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07/28/21

Find the taylor polynomial
Find the Taylor polynomial p4 for f(x)=1/x3 at x=2.
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07/27/21

Find the marginal cost

Suppose that the total cost in dollars of producing x units of a product is given byC(x) = 5,000 + 30xex/800.Find the marginal cost when 800 units are produced. (Round your answer to the nearest... more
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07/26/21

rewrite the equation(x+2y)/2=-6 in slope intercept form
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07/21/21

Arima and Holt Winters
Compare Holt-Winters Forecasting and ARIMA modeling in about 1000 words.
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07/20/21

Complete the relative frequency table using Table A. In the spaces provided,
A. B. C. D. E.Â Â ï»ż
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07/20/21

Value at Risk - statistics/economics
Sophie is a moderate investor who maintains her portfolio of U$50,000.00 with an average daily return of 0.1% and a daily standard deviation of 1.2%.Under these conditions, the maximum daily loss... more
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07/19/21

consider the following 3 expressions
Consider the following 3 expressions. To be the same, what would P,Q and R have to be? Please show step by step:Px^2+6x+1; x^2+x(x+Q)+1; 3x^2-5-(x^2-6x+R/2)
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07/18/21

Express the confidence interval
Express the confidence interval 80.2% +- 6.9% in interval form.
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07/16/21

 (c) Calculate the correlation coefficient and state what this indicates about the relation between the two variables. [4]
The following table shows the hours of sunshine, x, during nine days in August and the number of ice creams, y, sold by a beach shop in... more
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07/16/21

Exponential & Log Functions
If⁡ log2𝑛 (1944)= log𝑛 (486√2), find the values of 𝒏𝟑
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07/15/21

Calculus Problems
Peloton sales can be given by function P(t) = 7e^0.18t where t is time in years since 2000 and P(t) is in millions. What is the amount of the Peloton sales? In 2017, are they accelerating or... more
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07/15/21

Find the price elasticity of the demand function
42-3Q=2P and the price, P=$6
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07/14/21

how to find if the determine is a saddle point, minima, or maxima?
i have a 3 by 3 hessian matrix, how do i ssolve for the determinant and identify if it is a saddle point , minima or maxima
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07/08/21

How do I go about this? And what statistical test can I use?

Hi,I’m currently doing a science project on sickle cell disease, I’m researching to see how a well a few drugs can induce fetal haemoglobin in sickle cell disease patients. Currently what I’ve done... more
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07/08/21

Break Even Calculus Problem
The revenue from producing electric bicycles can be modeled by the function and their cost can be modeled by the function where q is the number of thousands of electric bicycles sold/produced and... more
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07/07/21

Evaluate and show if it converges or show it diverges
Integral lower limit = -2, upper limit 0, of 4/(x+2)^2 dx
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07/07/21

Calculus 3 lines and planes
Find the distance from the point (-8,-4,-7) to the plane 2x−5y+z=31.
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07/07/21

What does f(x)=
Find an exponential function of the form f(x) = b * a ^ (- x) + c that has the given horizontal asymptote and x and y-Interceptsy = - 18 ; y-intercept 864; x - intercet 2
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07/06/21

Calculus 3 Directional

Suppose that f(x,y)=xy. The directional derivative of f(x,y) in the directional <2,−1> and at the point (x,y)=(3,−6) is?
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07/06/21

Use Newton's method to find all roots of the equation correct to six decimal places. (Enter your answers as a comma-separated list.) (x − 9)2 = ln(x)
Use Newton's method to find all roots of the equation correct to six decimal places. (Enter your answers as a comma-separated list.)(x − 9)2 = ln(x)
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07/06/21

Function in calculus
8. If u(x, y) = h(x)e^2y is harmonic, h(0)=0 and h'(0)=1 then find h(x).also find analytic function f =u(x,y)+iv(x,y).
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