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#?