2,218 Answered Questions for the topic Pre Calculus

Pre Calculus Precalculus

03/25/20

Find the complete linear factorization of f(x) and list all real zeros.

Let f(x)=3x^3-2x^2-7x-2.
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Pre Calculus Precalculus

03/25/20

Find the power function that the graph of f(x) resembles for larger values of |x|.
f(x)=1/2(x+3)(x+1)^2(x-2)
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Pre Calculus

03/25/20

Complete the Square (Part 1 of Method)
What is the intermediate step in the form (x+a)^2=b as a result of completing the square for the following equation?-3x^2=18x+102
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Pre Calculus

03/24/20

solve on [0,2pi)

sin(x+pi/6)-sin(x-pi/6)=1
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Pre Calculus

03/24/20

In ΔDEF, d = 5.2 inches, e = 6.8 inches and ∠F=166°. Find the length of f, to the nearest 10th of an inch.
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Pre Calculus Math Precalculus

03/22/20

Simplify the expression. Use sum and difference identities.
Sin4theta•costheta + cos4theta•sintheta
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Pre Calculus Math Calculus Precalculus

03/20/20

probability question
Alex went bowling. He managed to get 3 strikes after 15 attempts. If you were to suggest the probability that he gets a strike on his next attempt, what type of probability would you be using?A.... more
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03/19/20

Write the equation in logarithmic form.
Write the equation in logarithmic form.
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Expert Answers •2

03/19/20

Find the inverse of each function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
Find the inverse of each function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
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03/19/20

What is the value of the modulus 6-3i? As a simplified radical
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03/19/20

What is the y intercept of -x + </= 4
I’m supposed to graph the equation -x+y≤4 when finding x intercept y=0so I go -x+0=4then I get -x=4is that okay or do I need to do something to make the x positive?
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03/19/20

Precalc Question (answer asap thanks)
A merry-go-round is rotating at the constant angular speed of 3 RPM counterclockwise. The platform of this ride is a circular disc of radius 24 feet. You jump onto the ride at the location pictured... more
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Pre Calculus Algebra 2 Physics

03/18/20

A 1,250 kg Toyota Supra makes a right turn on a race track that has a radius of 10 meters. What is the force of friction on the Supra if the car makes the turn at a constant speed of 5 m/s?
A.4,500 NB.5,500 NC. 3750 ND.3125 N
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Pre Calculus Math Precalculus Linear

03/16/20

The angular velocity of a fan blade is 4.6 radians per second. Approximately how many revolutions does the fan blade make in 2.4 minutes?
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03/16/20

A hamster runs in it's wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel?
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03/16/20

A wheel completes 2.4 revolutions in 3 seconds. What is the angular velocity of the wheel in radians per minute? As simplified fraction.
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03/11/20

Faith stands and watches her kids play. Nadia is 60 feet away in the sandbox. Faith turns 130° and views Jolene on the swing set. Jolene is 115 feet away. How far apart are Nadia and Jolene?
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03/11/20

A point on a wheel moves at 33π/4 radians per minute. How many seconds are required for the point to complete 10 revolutions?
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03/08/20

Precalc question
John has been hired to design an exciting carnival ride. Tiff, the carnival owner, has decided to create the world’s greatest ferris wheel. Tiff isn’t into math; she simply has a vision and has... more
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03/08/20

Precalc question
George and Paula are running around a circular track. George starts at the westernmost point of the track, and Paula starts at the easternmost point. The illustration below shows their starting... more
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Pre Calculus Calculus Precalculus

03/08/20

Pre Calc Homework Question
Given that , find .
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Pre Calculus Calculus Precalculus

03/08/20

Pre Calc Question
Given  and , determine the following:
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03/08/20

Pre Calc Question
A straight road makes an angle of 14° with the horizontal. When the angle of elevation, B, of the sun is 58°, a vertical pole beside the road casts a shadow 8 feet long parallel to the road.... more
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03/08/20

Precalc question
Charlie and Alexandra are running around a circular track with radius 60 meters. Charlie started at the westernmost point of the track, and, at the same time, Alexandra started at the northernmost... more
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03/08/20

precalc question
Shirley is on a ferris wheel which spins at the rate of 3.2 revolutions per minute. The wheel has a radius of 45 feet, and the center of the wheel is 59 feet above the ground. After the wheel... more
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