05/11/19

How many real roots does the polynomial f(x)=x^7+5x+12 have?
How many real roots does the polynomial f(x)=x^7+5x+12 have?
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05/11/19

Let p be the number of real solutions of the equation 3x+x-3=0 in the interval [0; 1] , and let q be the number of real solutions that are not in [0; 1]. Which of the following is true
Let p be the number of real solutions of the equation 3x+x-3=0 in the interval [0; 1] , and let q be the number of real solutions that are not in [0; 1]. Which of the following is truea) p =0 and q... more
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05/11/19

Can the expression arcsin(x) * sin(x) be simplified any further?
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05/11/19

How do I know the volume of 1 aggregate bag?
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05/11/19

For what value of k, (4-k) x²+ (2k+4) x+ (8k+1) =0, is a perfect square?
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05/11/19

How do I plot y= [x] + (x-[x]) ^(1/2)?
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05/11/19

Are there any situations in which L'Hopital's Rule WILL NOT work?
Today was my first day learning L'Hopital's Rule, and I was wondering if there are any situations in which you cannot use this rule, with the exception of when a limit is determinable.
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05/11/19

How can I prove that the 2 inner circles in a big circle is half the area of the big and that the 2 inner circles equals the circumference of the big circle?
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05/10/19

By what fraction or expression can infinity be multiplied or divided by to stop it from going forever (provided 0*infinity does not equal 0)?
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05/10/19

Do we have to learn how to draw different graphs of exponential and logarithm functions for board exams? I mean they are in our syllabus.
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05/10/19

How do I find a canonical basis for a nilpotent matrix?
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05/10/19

Let f(x) =tan(x) and let y^n denote the n^th derivative of f(x) then the value of y^ (9998879879776) is?
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05/10/19

Find angle theta in the second quadrant if sin theta = 1/2
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05/10/19

How do you determine the nature of the roots of a quadratic equation?
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05/09/19

What are Lagrange undetermined multipliers?
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05/09/19

Why do gradients always have 0 curl and why does that imply path independence?
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05/09/19

there are 16 girls and There are 16 girls and 14 boys in Ms. Parker’s class. .
She randomly picks one of her students and gives that student a new pencil. What is the probability that she will randomly choose a girl to receive the pencil?
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05/09/19

How can I graph y=-5^x?
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05/09/19

Can you help me understand the fundamental theorem of line integrals?
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05/09/19

How do you determine algebraically the value of k such that linear function g(x) =-3+k does not intersect the parabola f(x) =5x2 +3x -4?
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05/09/19

How do I prove that sinxsinysinz+cosxcosycosz<=1 , x,y,z in R?
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05/09/19

how to find the increase in stadium seats as rows ascend (arithmetic sequences)
I have created a circular sports stadium that will need to fit between 25000 and 50000 seats. The field in the middle is 160m in diameter. There are 8 stairwells equally separated around the... more
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05/09/19

Find the point(s) of inflection of the curve f(x) = x^2 e^x?
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05/09/19

I don't get this question because it has time zones. Will someone help me?
If a man took a train from Chicago, Illinois to St. Louis, Missouri, What time would he arrive if he left at 20 am and the train traveled 50 miles per hour?
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05/09/19

Find the center and the radius of the circle.  
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