Catherine V.

07/18/20

Probability of a cubic having three real roots.

third degree polynomial is given as follows. f(x)=2x3-ax2+bx+4 a, b coefficients of the equation a,b interval between [-4,4]. what is the probability that all three roots of this equation are real... more

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Algebra 1 Linear Algebra

06/27/20

Solve application problems using linear systems.

A gift basket maker incurs the cost for a basket according to C = 10x + 713. If the revenue for the baskets is R = 33x where x is the number of baskets made and sold. Break even occurs when costs =... more

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Math Calculus Derivative

06/22/20

How to get a derivative of a function without using the quotient, power, or chain rule?

How to compute a derivative of G(x)= (x^2 + 2x -1) / (sqrt(x))?From what I'm understanding, I have to break it up so it looks likex^2/sqrt(x) + 2x/sqrt(x) - 1/sqrt(x)And after simplifying it would... more

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Calculus

06/18/20

The graphs of f and g are given. Use them to evaluate each limit, if it exists. (If an answer does not exist, enter DNE.)

(a) lim x→2 [f(x) + g(x)](b) lim x→ -1 f(x) / g(x)(c) lim x→1 3+f(x)

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Math Algebra 2

06/17/20

Domain and Range with Infinities

So I have (-infinity, infinity) for both domain and range in a problem. My question is: is the relation a function? If it is, why?

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Calculus

06/17/20

Find an equation of the tangent line

Find an equation of the tangent line to the graph of the function f(x) = esec(x) at the point (π/4, e^sqrt(2))

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Geometry

06/17/20

A triangle XYZ has its vertices at X(2,4), Y(6,-4), and Z(-4,1) What is the perimeter of the triangle XYZ?

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Math Sat Math Mathematics

06/16/20

Help please and thank you

Michael borrowed $8000 at a rate of 7%, compounded semiannually. Assuming he makes no payments, how much will he owe after 7 years?Do not round any intermediate computations, and round your answer... more

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Calculus

06/13/20

Question about the calculus

Find an equation of the line that satisfies the given conditions.Through (5, 8); parallel to the line passing through (6, 6) and (2, 2)

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Calculus

06/12/20

little help findinng t

A wooden artifact from an ancient tomb contains 68 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is... more

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Math Calculus

06/12/20

Need help with Intergration of Parts Calculus

Evaluate the integral. π 4t sin 19t dt 0

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Calculus

06/11/20

Let f(x) = 4x^5/4 + 6x^3/2 + 2x. Find the following.

(a) f '(1)(b) f '(16)

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Math Calculus Precalculus

06/11/20

Solve the following system

x+y+2z=-23x-y+14z=6x+3y=-5Please include steps and answer

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Math Calculus Precalculus

06/11/20

Vectors Question - For the vectors u=(2,-1,1) and v=(0,3,4)

Find the following:U•VU x Vthe angle between U and V to the nearest degreePlease include steps and answer

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Algebra 1

06/03/20

16-4x= -2(2x-8) solve for x

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Algebra 1

06/03/20

Math help please!!!!!!

Speak a Second Language Do not Speak a Second Language Totals Class Average greater than or equal to 90 70 15 85 Class Average Not greater than or equal... more

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