Answers created by namralos

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• Question #055ec
  
• Find the number `b` such that the line y=b divides the region...?
  
• Question #3c650
  
• How does one prove this statement or provide a counterexample?
  
• Question #60ff3
  
• How do you find the equation for the lines that are tangent and normal to the curve `y=1+cosx` at the point `(pi/2, 1)`?
  
• Question #d5958
  
• Question #c78c8
  
• How do you write the equation of the line that passes through the point (1,4) and is parallel to the line 4x+5y=21?
  
• Question #c041e
  
• How do you evaluate and simplify `(-243)^(1/5)`?
  
• Question #8b38a
  
• What is the domain and range of `y=abs(x+4)`?
  
• What are the zeros of `7x^3+70x^2+84x+8=0` ?
  
• What is the derivative of `y=(sinx)^x`?
  
• How do you test the improper integral `int sintheta/cos^2theta` from `[0,pi/2]` and evaluate if possible?
  
• What are the critical values, if any, of `f(x)=x+e^(-3^x)`?
  
• Question #7a9c0
  
• Question #7e866
  
• Question #cbbe5
  
• Question #c5258
  
• Question #3f862
  
• Question #a180c
  
• How do you divide `(x^4+x^3-1)div(x-2)` using synthetic division?
  
• What is/ how do I find the least positive coterminal arc and the reference arc of -10pi/3?
  
• How do you solve the inequality `abs(9-4x)<=0`?
  
• Question #859bc
  
• How do you convert `8=(4x-11y)^2+3y` into polar form?
  
• Question #99695
  
• How do you evaluate 5P5?
  
• How do you graph `-2x+5y=15`?
  
• Question #946b8
  
• Question #3c68b
  
• A triangle has sides A, B, and C. The angle between sides A and B is `pi/6`. If side C has a length of `25` and the angle between sides B and C is `pi/12`, what is the length of side A?
  
• How do you evaluate `2 root3 { 54} - \root[ 3] { 24} - 3\root [ 3] { 16}`?
  
• Question #46f3e
  
• The variables x=-6 and y=15 varies directly. How do you write an equation that relates the variables and find y when x=8?
  
• How do you evaluate `sec^-1(-1)`?
  
• How do you solve and graph `abs(r+2)>6`?
  
• Given three points (-1,4) (1,6) (2,10) how do you write a quadratic function in standard form with the points?
  
• How to express z= 1/(1-i) in polar form?
  
• The number of vectors of unit length perpendicular to any two vectors is_?
  
• What is the first differential of `y=10^(3x-4)` ?
  
• Question #7f13f
  
• Question #e918e
  
• What does qualitative, quantitative data, discrete, and continuous mean?
  
• How do you use the first and second derivatives to sketch `f(x)=x^2/(x^2+5)`?
  
• How do you find the x and y intercepts of `f(x)=4x-1`?
  
• How do you use the integral test to determine if `Sigma n^ke^-n` from `[1,oo)` where k is an integer is convergent or divergent?
  
• What is the equation of the tangent line of `r=cos(theta+pi/2)*cos(theta-pi)` at `theta=(-pi)/8`?
  
• What is the standard form of `y= (x-4)^2-(x+7)^2`?
  
• What is the distance between the following polar coordinates?: `(9,(17pi)/12), (4,(3pi)/8)`
  
• How do you find the standard equation given focus (8,10), and vertex (8,6)?