Pre-Calculus

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Find the volume of the solid obtained by revolving region
Find the volume of the solid obtained by revolving region y=3-x and y=2*x^0.5, y=0 (0<=x<=3) about the y-axis. Find the volume of the solid obtained by revolving region between x=y^2+2 and y=x-4… read more
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Ryan
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Find the volume of the solid obtained by revolving y=3-x and
Find the volume of the solid obtained by revolving y=3-x and y=2*x^0.5 about the x-axis. Determine if the statements are true and explain why. 1. A pyramid is a solid of revolution. 2. The volume of a… read more
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Ryan
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1. Use the polynomial approximations to the function sin x
1. Use the polynomial approximations to the function sin x derived in class to find a polynomial approximation to sin x on the interval [-1, 1] so that the error at any point is less than 0:01. (a) Wr… read more
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Ryan
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I need the answer to questions you have previous answered. 1.
I need the answer to questions you have previous answered. 1. 8/9 -3/5 = 2. Simplify the following expression: (xy-3/2x-2y2)2 3. Graph the following equation : y=2/3x + 2 4. What are the equation and … read more
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I need someone to help me with this. I need to compare my
HI, I need someone to help me with this. I need to compare my answers before I turn this in. Thank you. Exam: 250311RR - Trigonometric Functions 1. Find a positive angle less than 360° that's cotermin… read more
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Ryan
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Record your answers and work on the separate answer sheet provided. There
Record your answers and work on the separate answer sheet provided. There are 28 problems. Problems #1–6 are Multiple Choice. Problems #7–17 are Short Answer. (Work not required to be shown) Problems … read more
Ryan
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Precalculus Problems. (big bonus for great solutions) 1. Solve
Precalculus Problems. (big bonus for great solutions) 1. Solve the following equation for x: log2(x + 7) + log2(x + 8) = 1 Note: Be sure to plug any solutions back into the original equation; if they … read more
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1. Find the complete exact solution of sin x = −√3/2. 2. Solve
1. Find the complete exact solution of sin x = −√3/2. 2. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 3. Solve tan² x + tan x – 1 = 0 for the principal value(s) t… read more
Stevewh
Stevewh
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For the function below find the vertex axis of symmetry maximum
For the function below find the vertex axis of symmetry maximum or minimum value and graph the function  the vertex is _______ (ordered pair) The axis of symmetry is x=______ Does it have a maximum o… read more
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1. In an alternating-current circuit, the voltage E is given
1. In an alternating-current circuit, the voltage E is given by E=IZ, where I is the current (in A) and Z is the impedance (in Omega) If I=0.859-0.318j amperes and Z=210+150j ohms, find the complex nu… read more
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For John only Explain why the graph of the function f(x)
For John only Explain why the graph of the function f(x) = x^2 ln(1/3 x) lies below the x-axis for 2… read more
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1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3
1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3 c. 1/6 d. 3 2- how many soltions does the system x=10y y=sin x have? a. 4 b. 10 c. 6 d. 7 3. what is tan the power of -1 root3/3 ? a. pie/4 b. … read more
Trigeoscal
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1. calculate the anti derivative of x cube dx a. x square
1. calculate the anti derivative of x cube dx a. x square + c b. 3x square + c c. x the power of 4 + c d. x the power of 4/4 + c 2. calculate the anti derivative of x the power of 2/3 dx. a. 2/3x the … read more
Ryan
Ryan
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1.in checking electric circuit elements,a swuare wave such
1.in checking electric circuit elements,a swuare wave such as that shown here may be displayed on an oscilloscope. display the graph of y =1+16/pi sin(pix/16)+16/3pi sin (3pix/16) on a graphing calcul… read more
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"for ryan" 1.fill in the table shown below for the function
"for ryan" 1.fill in the table shown below for the function an plot the graph from these points. x -pi/2 -pi/3 -pi/4 -pi/6 0 pi/6 pi/4 pi/3 pi/2 2pi/3 3pi/4 5pi/6 pi y y=5 sec x (round to one decimal … read more
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Ryan
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"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify
"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify the given expression by giving the results in terms of one half of the given angle.then use the calculator to verify the result.… read more
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Ryan
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Graph the following function using the techniques of shifting,
Graph the following function using the techniques of shifting, compressing, stretching and/or reflecting. Start with graph of the basic function shown to the right. Find to domain and range of the fun… read more
Chirag
Chirag
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