Answers edited by AltairSafir

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• How do you solve `\frac { 8} { 7} - \frac { 13} { 14} = \frac { 1} { x }`?
  
• Find the roots of 4x^2 - 5x = 3? In simplest radical form.
  
• How do you differentiate `f(x)=A/(B+Ce^x)`?
  
• What is the so-called Schwarzschild-Radius of a Black Hole?
  
• How do you convert `(−1, 5)` to polar form?
  
• Can you please help me find the functions?
  
• How do you write 18,000,000,000 in scientific notation?
  
• How do you find a standard form equation for the line (0,1) (3,-1)?
  
• How do you simplify square root of 128 + the square root of 32?
  
• How do you simplify `((-9)(-20))/((-5)(4))`?
  
• How do you find the domain, range, and asymptote for `y = 1 - tan ( x/2 - pi/8 )`?
  
• How do you find the domain and range of `y=2x^2 - 4x - 5`?
  
• What is the slope of `r=tantheta-theta` at `theta=pi/8`?
  
• How do you graph `y=2x^2+12x+16`?