Answers edited by David L.

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• How do you find the derivative of `2x^2+x-1`?
  
• Question #ec712
  
• What is the equation of the parabola that has a vertex at `(-18, -12)` and passes through point `(-3,7)`?
  
• What are the intercepts of `y = 4(x - 5)+x^2`?
  
• How do you find the molar mass of dihydrogen dioxide?
  
• How do you find all points of inflection given `y=x^3-2x^2+1`?
  
• How do you convert 4`m^3` to cubic centimeters?
  
• Question #cf813
  
• Question #10dc1
  
• What is the equation of a line that goes through `(4, 0)` and `(-7,0 )`?