Precalculus Homework Help: Answers & Questions Page 4

• Name: _________________________Score: ______ / ______1.Find the indicated sum. Show your work.k = 1, (-1)^k (k + 11) = (-1)^(1) (1...

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• I have a pre-calculus exam, the time is one hour, it is multiple choice it is about functions, graphs, linear...

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• How do I use zero factor property in reverse?

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• How do you find all unit vectors orthogonal to v=i+j+k?

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• What is the polynomial function of lowest degree with lead coefficient ##1## and roots ##1## and ##1+i##?

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• What is velocity?

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• ##3## a geometric series can be defined as: ##a_n = a_1*(r)^(n-1)## where ##a_1##

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• How do I find the magnitude and direction angle of the vector ##v =6i-6j##?

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• How do I find the constant term of a binomial expansion?

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• How do you find the recursive formula that describes the sequence 3,7,15,31,63,127.?

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• How do you find (f o g)(x) and its domain, (g o f)(x) and its domain, (f o g)(-2) and (g o f)(-2) of the following problem ##f(x) = x^2 – 1##, ##g(x) = x + 1##?

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• What is a polynomial function for 5, i, -i?

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• What is the exact value of sin 60 degrees?

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• What does the zero factor property mean?

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• How do you use a calculator to evaluate the expression ##log12## to four decimal places?

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• What is the order of magnitude of a football field?

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• How do I graph the quadratic equation ##y=(x-5)^2## by plotting points?

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• How do you prove that ##(1/2)(ln2 - ln4 + ln3) = (1/2)ln(3/2)##?

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• How do you graph ##ln(abs(x))##?

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• How do you solve using gaussian elimination or gauss-jordan elimination, ##x + y + z = 0##, ##2x - y + z = 1## and ##x + y - 2z = 2##?

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• What is the factorial of 10?

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• What do ##a## and ##b## represent in the standard form of the equation for an ellipse?

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• How do I use DeMoivre's theorem to solve ##z^3-1=0##?

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• How do I convert the polar equation ##r=10 sin theta## to its Cartesian equivalent?

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• What is the informal definition of a limit?

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• How would you graph ##y = ln(x^2) ## without a calculator?

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• How do you find the equation of a parabola with vertex at the origin and directrix x=-2?

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• How do you calculate ##antilog 0.3010 ##?

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• How do you solve ##ln(x^2)=16##?

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• How do you graph ##x^2+y^2-8x+6y+16=0##?

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• How do you find the horizontal asymptote for ##f(x)= (3e^(x))/(2-2e^(x))##?

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• What is the missing number in the pattern ##1, 3, 9,## __ ##, 81##?

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• The order of magnitude of the mass of Earth's atmosphere is ##10^18## kilograms. The order of magnitude of the mass of Earth's oceans is ##10^3## times greater. What is the order of magnitude of the mass of Earth's oceans?

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• How do you find the area of a regular octagon inscribed in a circle whose equation is given by (x-2)² + (y+3)² = 25?

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• How do I factor using the zero factor property?

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• How do I solve ##y=-3/(4x-2)## on a graphing calculator?

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• If the diameter of a circle is 12 inches, what is the area, circumference and the radius?

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• What is the standard equation of a circle with center ##(-2, 0)## and radius ##4##?

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• How do you find the vertex of the parabola ##y=2x^2-8x+7##?

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• What is an inequality?

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• How do you find the equation of the plane in xyz-space through the point ##p=(4, 5, 4)## and perpendicular to the vector ##n=(-5, -3, -4)##?

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• What is the standard form of the equation of a circle with endpoints of a diameter at the points (7,8) and (-5,6)?

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• What is the equation of circle with center at (0,0) and radius of 7?

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• How do I find the foci of an ellipse if its equation is ##x^2/36+y^2/64=1##?

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• What is the determinant of a matrix to a power?

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• What is a joule?

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• How do I do synthetic division with imaginary numbers?

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• How do you find the roots of ##12x^3+31x^2-17x-6=0##?

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• How do you solve ##2log(2x) = 1 + loga##?

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• What is the difference between (fo(goh)(x) and ((fog)oh)(x)?

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