Mark M.

03/27/25

Direct Comparison Test

Use the Direct Comparison Test to determine if each series converges or diverges.∑ (Infinity)(n=1) (√(n+4)/(n^4+4))My book is showing that it compares to √5 ∑ (Infinity)(n=1) (1/n^(3/2)). I am... more

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Calculus

03/24/25

Applying the Integral Test

Use the Integral Test to determine if the series converge or diverge. Be sure to check that the conditions of the Integral Test are satisfied.∑(infinity) (n=1) (n/n^2 +4)I graphed this as f(x) and... more

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Calculus

03/23/25

if f(x)=4x arccos(3x+3) - sqrt(11-4x^2), what is f'(x)

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Calculus

03/08/25

any one know the integration of logx

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Calculus

03/02/25

A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 33 ft/s. Its height in feet after t seconds is given by y=33t-23t^2.

A. Find the average velocity for the time period beginning when t=1 and lasting: .01s, .005s, .002s, .001s. NOTE: For the above answers, you may have to enter 6 or 7 significant digits

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Algebra 1

02/27/25

Write the polynomial in general form and classify the polynomial by its number of terms and by its degree. The polynomial is, -18a^3 + 54a - 22a^2

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Algebra 2

02/21/25

Help please!!!!

A car is purchased for $17,000. After each year, the resale value decreases by 35%. What will the resale value be after 3 years? Use a calculator and round your answer to the nearest dollar.

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Trigonometry

02/21/25

Graphing Cosine Functions|Please help!

Sketch the graph of the given function:y = 3 cos pi/2 (x + 2) + 2For this function, I know that my a = 3, my b = pi/2, my period is 4, my midline is 2, and that my phase shift is 2 to the left, but... more

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Trigonometry

02/20/25

Graphing Sine Functions|Please help!

Sketch the graph of the given function:y = 2 sin 1/2 (x - pi/4) + 1I know that my amplitude is 2, my B-value is 1/2, my period is 4pi, my phase shift is pi/4 to the right, and that my vertical... more

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Math Trigonometry

02/16/25

Find the Exact values of the trigonometric functions of Θ from given info

A few different types, for me they are extremely difficult to relate one to the other in a sense of using the same type of method to solve. I got a few correct but then started to miss some, so I... more

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Math Trigonometry

02/16/25

Exact Value of Quadrantal Angle - Trig

If there are not any write undefined. Is there an equation without using the calculator? I have access to the Trigonometric Function Values of Quadrantal Angles. tan (4π) I got 0... more

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Algebra 1

02/14/25

Dividing radical

How to divide radicals with a radical in the denominator.

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Math Trigonometry

02/14/25

Find Reference Angle for 28π/6.

The answer needs to be in radians. I turned it to degrees, then back to radians with my answer of 5π/6. That is incorrect. Please explain how to do it all in radians and also how to covert from... more

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Precalculus

02/08/25

suppose that (3,6) is on the graph of y=j(x). Find the point on the graph of the given function with the given transformations y=3j(1/3x-2)-4

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Math Trigonometry

02/07/25

Simplify the Resulting Expression - Function Values of Common Angles from a Table

sin 60 degrees cos 45 degrees + cos 60 degrees sin 45 degreesWhere to even begin? There is a table called "Trigonometric function Values of some common angles" in the textbook that we are to use to... more

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Trigonometry

02/07/25

Trigonometry Right Triangle Lengths

In a right triangle with sides of lengths 1, 5, and square root of 26, the tangent of the angle opposite the side of length 5 is......Please explain not just the answer but how are the lengths... more

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Calculus

02/06/25

Set up the integral that would give the volume V generated by rotating the region bounded by the given curves about the y-axis.

y = x5, y = 0, x = 2Disk/Washer Method

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Calculus

02/06/25

Integrating Square Roots

Evaluate the integral0 ∫ 2pi √((1-cosx)/2) dxI have used (1-cosx)/2 = sin2(x/2) and canceled out the square root and the square on the sin function. I am to the point of 0 ∫ 2pi abs(sin (x/2))dx... more

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Algebra 1

01/31/25