Precalculus Homework Answers & Questions
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Precalculus is a crucial part of mathematical science. This is a necessary basis for immersing deeper into the discipline of calculus. As the subject specialists claim, deep understanding of precalculus concepts is necessary for the understanding of calculus principles.
Speaking short, Precalculus enables students to understand the more complicated ideas of calculus. This subject deals with limits problems, tangents, limits and differentiations, integration, derivatives, and conic sections. Considering the difficulty of the subject, students can turn in online for our Precalculus homework help in order to assess their knowledge and understanding of various topics.
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Waiting for answer The equation of state for a redlichKwong gas is p(t)= [(rt/...
The equation of state for a redlichKwong gas is p(t)= [(rt/vb)(a/v(vb)t^1/2)] where r, a,and b are constants. Fix the volume and calculate the internal pressure of bettholot gas.
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Waiting for answer My mathlab
I need someone to do my mathlab for my precal class, you can find most of the answer in the internet or using mathway!!
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Waiting for answer Verify these identities. (Show work)cosx cscx = cotxsecx / c...
Verify these identities. (Show work)cosx cscx = cotxsecx / cotx + tanx = sinx1  (cos^2x / 1 + sinx) = sinxcosx + sinx tanx = secxsinx  sinx cos^2x = sin^3x
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Waiting for answer Name: _________________________Score: ______ / ______1.Find...
Name: _________________________ Score: ______ / ______ 1. Find the indicated sum. Show your work. k = 1, (1)^k (k + 11) = (1)^(1) (1 + 11)= 1*(12) = 12 k = 2, (1)^k (k + 11) = (1)^(2) (2 + 11)= 1*(13) = 13 k = 3, (1)^k (k + 11) = (1)^(3) (3 + 11)= 1*(14) = 14 k = 4, (1)^k (k + 11) =...
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Waiting for answer I have a precalculus exam, the time is one hour, it is mult...
I have a precalculus exam, the time is one hour, it is multiple choice it is about functions, graphs, linear equations, domain range multiplicity, etc..
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Waiting for answer How do I use zero factor property in reverse?
You use it to determine the polynomial function. We can use it for higher degree polynomials, but let's use a cubic as an example. Suppose we have the : 3, 2.5, and 4. So: ##x=3## ##x+3=0## ##x=2.5## ##x=5/2## ##2x=5## multiply both sides by denominator ##2x5=0## ##x=4## ##x4=0## So, t...
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Waiting for answer How do you find all unit vectors orthogonal to v=i+j+k?
A generalised unit vector is: ##mathbf u = 1/(sqrt( 2 (alpha_2 ^2 + alpha_3 ^2 + alpha_2 alpha_3)))(( alpha_2  alpha_3),(\alpha_2),(alpha_3))## There are an infinite number of vec...
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Waiting for answer What is the polynomial function of lowest degree with lead c...
##x^33x^2+4x2##, We know that the complex roots always occur in conjugate pairs. One complex root is ##1+i##, so there must be its conjugate, i.e., ##1i## as the other root. He...
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Waiting for answer What is velocity?
Velocity describes the speed AND direction/heading in which an object is moving. Magnitude describes the speed in which an object is moving. Example: I drove my car 65 mph today. MAGNITUDE I drove my car 65 mph south today. VELOCITY
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Waiting for answer What is the sum of the infinite geometric series 2+2/3+2/9+2...
##3## a geometric series can be defined as: ##a_n = a_1*(r)^(n1)## where ##a_1## is the first value of the series and ##r## is the common ratio. The common ratio is ##1/3## and th...
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Waiting for answer How do I find the magnitude and direction angle of the vecto...
Magnitude = ##6i6j=sqrt(6^2+(6)^2)=sqrt(72)=6sqrt(2)"## Angle = ##arctan(6/6)=arctan(1)=pi/4=45°## If you draw this vector on the plane, the xy coordinate axis, as (6,6) because ##i## is the unit vector in the xdirection and ##j## in the ydirection. Then pictorially it might seem easier...
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Waiting for answer How do I find the constant term of a binomial expansion?
The expansion of a binomial is given by : ##(x+y)^n=( (n), (0) )*x^n+( (n), (1) )*x^(n1)*y^1+...+( (n), (k) )*x^(nk)*y^k+...+( (n), (n) )*y^n = sum_(k=0)^n*( (n), (k) )*x^(nk)*y^k ## where ##x, y in RR##, ##k, n in NN##, and ##( (n), (k) )## denotes combinations of ##n## things taken ##k## at a...
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Waiting for answer How do you find the recursive formula that describes the seq...
Look at the sequence of differences, finding that it is a geometric sequence with common ratio ##2## and hence derive the recursive formula: ##a_1 = 3## ##a_(n+1) = 2a_n + 1## Wri...
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Waiting for answer How do you find (f o g)(x) and its domain, (g o f)(x) and it...
Given ##color(white)("XXX")f(color(blue)(x))=color(blue)(x)^21## and ##color(white)("XXX")g(color(red)(x))=color(red)(x)+1## Note that ##(f@g)(x)## can be written ##f(g(x))## and that ##(g@f)(x)## can be written ##g(f(x))## ##(f@g)(x) = f(color(blue)(g(x))) = color(blue)(g(x))^21## ##color(whit...
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Waiting for answer What is a polynomial function for 5, i, i?
##f(x)=x^35x^2+x5## I have assumed that ##{5,i,i}## are intended to be the of the function. In this case, the function can be factored as: ##color(white)("XXX")(x5)((xi)(x+i)#...
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Waiting for answer What is the exact value of sin 60 degrees?
##sqrt(3)/2## By using special triangles and the definition of the sine function (as opposite/hypotenuse in a standard right angled triangle) we arrive at the solution. I will upl...
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Waiting for answer What does the zero factor property mean?
We start by defining the ZeroProduct Property Zero  Product Property states that if the product of two or more factors is zero, then at least one of the factors must be zero. That is, if XY = 0, then X = 0 or Y = 0 or both X and Y are 0. Similarly, if XYZ = 0, then X = 0 or Y = 0 or Z = 0 or al...
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Waiting for answer How do you use a calculator to evaluate the expression ##log...
##log 12 ~~ 1.0792## Since I remember (as is useful to remember): ##log 2 ~~ 0.30103## ##log 3 ~~ 0.47712125## I can calculate: ##log 12 = log (2*2*3)## ##color(white)(log 12...
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Waiting for answer What is the order of magnitude of a football field?
are used for comparison of measures, not for a single measure... One order of magnitude is roughly one power of ##10## in ratio. For example, the length of a football field is the...
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Waiting for answer How do I graph the quadratic equation ##y=(x5)^2## by plott...
you need first to try and find the value for both x and y hence initially you set ##y=0## then solve for ##x##. lets try to expand the equation first by opening the bracket. ##y=(x5)^2## ##Y=X^210X+25## SET ##Y=##0 SOLVE FOR ##X##. ##0=(X5)(X5)## ##X5=0## ##X=5## ANS. for the x intercep...
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