05/07/21

what is this answer

find the marginal cost per find unit at production level of 100 units.c(x)=1200+x/10+x^2/10000

05/07/21

solve for x in the matrix

|x 3||2 x+16| = 74

05/07/21

Use the half angle formula to simplify the given expression.

Use the half angle formula to simplify the given expression. √1+cos8x/2

05/07/21

Determining power series and interval of convergence from function

How do you find power series and interval of convergence for f(x)=3/(4+x) centered around x=0?

05/06/21

I NEED HELP WITH TWO PROBLEMS! sin −θcos −5θ − cos −θsin −5θ AND cos −vcos 4v + sin −vsin 4v

I need help for these problems to prepare for an upcoming test! ASAP

05/06/21

How can I solve this? Thank you in advance!!

For 0 ≤ θ < 2π, find the solution(s) to the equation: -3cos(θ) = 2sin2 (θ) - 3

Which of the following equations would have the roots x=6, x=−1? (options in description as well as my thoughts on it)

x2-7x+6=0 x2-7x-6=0 x2+7x-6=0 x2-5x+6=0 so basically youd have to plug in all the x's and solve the quadradic equation for each of them so like for 1. lets plug it in (6)2-7(-1)+6=0 so id first... more

Power Series (Not a test question)

By using the power series for  , find the power series for  .

05/05/21

An equation is given. (Enter your answers as a comma-separated list. Round terms to three decimal places where appropriate. − 2/sqrt3 cos(3θ) = 1

a) Find all solutions of the equation.b) Find the solutions in the interval [0, 2𝜋).

05/04/21

Which system of equations below has a single solution of (2, 1)?

i neeed to pass my math test please help anyone

05/03/21

Find d^2y/dx^2 : x^2+y^2=1

Find d2y/dx2 : x2+y2=1

05/02/21

Linear algebra question

Let T: R3 → R3 be a linear transformation such that T(1, 0, 0) = (−1, 2, 4), T(0, 1, 0) = (−2, 1, 3),and T(0, 0, 1) = (0, 2, −2). Find the indicated image. T(0, 1, −3)

05/01/21

Let y = cosh x, compute dy.

Counting Techniques Question

The Math Club has 15 members. How many ways can Pres., Vice-Pres. and Secretary be chosen?Please explain, I don't understand this question.

05/01/21

The partial fraction decomposition of 20/(x-1)(x+1) can be written in the form of f(x)/x-1 +g(x)/x+1,where f(x)= g(x)=

The partial fraction decomposition of 20/(x-1)(x+1) can be written in the form of f(x)/x-1 +g(x)/x+1,where f(x)=g(x)=

05/01/21

Give the exact value of cos (3𝜋/4 − 11𝜋/6)

04/29/21

Linear Algebra (Vector)

Determine whether or not the set of vectors identified is a subspace of:#1.R3 if U={vectors whose length does not exceed 1} , i.e., U= {(a, b, c): a² + b² + c² ≤1}

Determine the domain of 𝑓(𝑥)=log(subscribe ) 3 (4−5𝑥)

Only the 3 is the subscribt, please help me solving this

Let F of x equals the integral from x to 1 of the square root of the quantity of 1 plus t squared . Use your calculator to find F'(1)

Let  . Use your calculator to find F'(1). a 0 b c d 1 my answer is c

04/29/21

Maclaurin Series

Find the second derivative of f at x = 0 if the Maclaurin series for f(x) = 1 - 9x + 16x^2 - 25x^3 + …Type the answer as an integer using a hyphen, -, for negative... more

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