Answers edited by Kha L.

• Back to user's profile
• 1, 2, 4 and 8 are factors of which number? 8, 6, 12, or 20?
  
• How do you find the absolute extrema of `f(x) = x^3 + x^2 - 4x - 4` on the closed interval `[-3, 0]`?
  
• What is the orthocenter of a triangle with corners at `(4 ,9 )`, `(7 ,4 )`, and (8 ,1 )#?
  
• What comes next in this sequence of prime numbers? 11, 13, 17, 19, ?
  
• How do you find the derivative of `f(x)=-2x^-3+x^2-7`?
  
• What is the derivative of `( cos (x) ) / ( 2 + sin (x) )`?
  
• One canned juice drink is 25​% orange​ juice; another is 5​% orange juice. How many liters of each should be mixed together in order to get 20L that is 6​% orange​ juice?
  
• Compute `i+i^2+i^3+\cdots+i^{258}+i^{259}`. ?
  
• What is the equation of the line that is normal to the polar curve `f(theta)=2sin(3theta+pi/3) - 2thetacostheta` at `theta = pi/4`?
  
• What are the factors of 5 & 15?
  
• `int sin theta sin2theta sin3theta` ?
  
• What is the Cartesian form of `(-4,(-21pi)/4))`?
  
• How do you name an angle between `0^circ` and `360^circ` that is coterminal with the angle `-210^circ`?