Answers created by cspark1981

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• For `f(x) = 3x-1`, what is `f(x)` when `x=2`?
  
• How do you find `int (x - 4 ) / (x^2 -4x) dx` using partial fractions?
  
• What is `lim_(xrarroo) (3x^3+2x+500x-1)/(x^4-8000x^3-30x)`?
  
• How do you simplify `sec^3x-sec^2x-secx+1`?
  
• How do you simplify `(sin80°-sin10°) / (sin80°+ sin10°)`?
  
• How do you write as a single logarithm `Log_b 2 + Log_bx- Log_by`?
  
• How do you write `y = sqrt(sqrt(x) + 1)` as a composition of two simpler functions?
  
• What is the binomial expansion of `(2 + 3x)^-2`?
  
• How do you solve `ln(x^2-x+1)-ln(x-1)+ln(x^2-1)=ln9`?
  
• How do you find f'(x) using the definition of a derivative for `f(x)=1/x^2`?