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2,195 Answered Questions for the topic Pre Calculus

04/30/20

Help needed with math, please and thank you

Compare the rates of growth of f(x) = x + sinx and g(x) = x as x approaches infinity. Options: 1) f(x) grows faster than g(x) as x goes to infinity. 2) g(x) grows faster than f(x) as x goes... more

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Pre Calculus Math Calculus Precalculus

04/30/20

Help needed with math, please and thank you

Which of the following functions grows the fastest as x goes to infinity? Options: 1) 2x 2) ln(x) 3) sin(x) 4) x20

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Pre Calculus Math Calculus Precalculus

04/30/20

I really need help with my homework. Thank you!

The graph of y = f ′(x), the derivative of f(x), is shown below. Given f(4) = 6, evaluate f(0).Options: 1) -2 2) 2 3) 4 4) 10

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Pre Calculus Math Calculus Precalculus

04/30/20

I really need help with my homework. Thank you!

The graph below shows the graph of f (x), its derivative f ′(x), and its second derivative f ″(x). Which of the following is the correct statement? Options: 1) A is f ′, B is f, C is f... more

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Pre Calculus Math Precalculus Mathematica

04/30/20

Precalc Question

Suppose Randall’s horse Ginger is walking around a circular track of radius 120 feet with an angular speed of 3 RPM clockwise. If she starts at the westernmost point of the track, give the... more

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Pre Calculus Math Calculus Precalculus

04/30/20

I really need help with my homework. Thank you!

Below is the graph of f ′(x), the derivative of f(x), and has x-intercepts at x = -3, x = 1 and x = 2. There are horizontal tangents at x = -1.5 and x = 1.5. Which of the following statements is... more

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Pre Calculus Math Calculus Ap Calculus

04/29/20

Help needed wtih Calculus

The base of a solid in the xy-plane is the circle x2 + y2 = 16. Cross sections of the solid perpendicular to the y-axis are semicircles. What is the volume, in cubic units, of the... more

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Pre Calculus

04/28/20

triangle ABC, if b = 130 , LB= 95° , LC = 35°. Find a to the nearest tenth

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Pre Calculus Math Precalculus

04/28/20

Construct an exponential function from given information and then use the function to solve a contextual problem.

The evening cleaning crew at a large firm discovers a dead body in the early morning hours. Police are immediately dispatched to the scene. Upon arrival at 5:00 am, police measure the... more

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Pre Calculus

04/27/20

Honors pre calc

Determine the work done by a force F of 42 lbs acting in the direction 81° to the horizontal in moving an object 9 ft up an incline that forms a 15° angle to the horizontal. Round your answer to... more

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Pre Calculus Math Precalculus Exponents

04/27/20

exponential functions

is x^e an exponential function? The power is the same regardless of the base so would it still be considered as such?

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Pre Calculus Math

04/23/20

Pre Cal 11 Help

1.) Is this arithmetic series convergent or divergent? 1/4, 3/4, 5/42.)An infinite geometric series converges to 12. Determine t3 if t1 = 3.3.) The sum of nine consecutive positive integers is 99.... more

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Pre Calculus Math Calculus Precalculus

04/22/20

What are the fourth roots of -3+3√3i?

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Pre Calculus Calculus Trigonometry

04/21/20

Trigonometry question

Find the solution set of each equation in the interval: 0 ≤ x < 2 : sin (x/2) -1 = 0a. π/2b. {2π}c. π/4d. {π}

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Pre Calculus Math Calculus Precalculus

04/21/20

Use partial fraction decomposition to solve for constants A and B:

(2x+1)/(x^2) -x-42=A/(x+6)+B/(x-7) A=B=

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Pre Calculus

04/21/20

Use half angle identities to solve trig equations

Solve the given equations for the values of x in the interval [0, 2pi] cos^2 x + 4 sin^2 x/2 = 1 cos x/2 - sin x = 0 ( hint: sin^2 x + cos^2 x = 1) cos^2 x = sin^2 x/2

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Pre Calculus Precalculus

04/21/20