Answers edited by Guilherme N.

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• How do you find the solution of the system of equations #3x + 6y = 18# and #2x + 5y = 20#?
  
• How do you factor #5n^2+10n+20#?
  
• How do you simplify #(x^2 – 3x – 10)/(x^2 – 9)div(x^2 + 4x + 4)/(x+3)##?
  
• How do you find the derivative of #(t^1.7 + 8)/(t^1.4 + 6)#?
  
• How do you factor #3x^3-300x#?
  
• How do you differentiate #f(x)= sqrt (ln(1/x)/x^2#?
  
• How do you differentiate # y =1/sqrtln(x^2-3x)# using the chain rule?
  
• How do you differentiate #(3x-4/x)^2 (1-x+7x^2)^4#?
  
• How do you factor #2p^2+2p-4#?
  
• How do you find the derivative of #(x^3-3x^2+4)/x^2#?
  
• How do you factor and solve #64x^2 - 1 = 0#?
  
• What is the derivative of # lnx/(4x^2)#?
  
• How do you multiply #(6x^2 + x - 12 )/(2x^2 - 5x - 12 )*(3x^2 - 14x + 8)/( 9x^2 - 18x + 8)#?
  
• What is a policy?
  
• What is the value of #-3^4#?
  
• How do you multiply #(2x-3)/(25x^2-1)*(15x^2-7x-2)/(6x^2-13x+6)#?
  
• How do you simplify #sqrt(a^11)+sqrt(a^5)#?
  
• How do you find the derivative of #4sqrt(x-3) + x^5/(2x)#?
  
• What is the factors for #14x^2 y+ 4xy^2 +2xy#?
  
• What are the first and second derivatives of #f(x)=2ln(sqrt((4x-4)/(6x+10))) #?
  
• How do you find the integral of #xe^(x/2)dx #?
  
• How do you use the laws of exponents to simplify the expression #(-3xy^3)^4#?
  
• What are the first and second derivatives of #f(x)=ln(1-x)^(3/2) #?
  
• How do you simplify #(sqrt(48x^3y^2))/(sqrt4xy^3)#?
  
• How do you rationalize #2/(sqrt(72y))#?
  
• What dilemma does stagflation present to fiscal and monetary policy makers?
  
• How do you solve the system #2x + y = 4# and # 6x + 3y = 12#?
  
• How do you factor #3x^4-x^3-3x^2+1#?
  
• How do you simplify #(2a^[2] b^[-3])^3/ (9a^[-3] b^[2]) ^-1/2#?
  
• Within the Phillips curve, how are inflation and unemployment levels related?
  
• How do you find the derivative of #ln(x^2+y^2)#?
  
• How do you find all points of inflection of the function #f(x)=x^3-3x^2-x+7#?
  
• What is the derivative of #sqrt(xy)#?
  
• How would you determine where the function f(x) is concave up and concave down for #f(x)=2x^3-3x^2-12x+1#?
  
• What are the first and second derivatives of #f(x)=-3x^5lnx #?
  
• How do you find the second derivative of #ln(sqrtx)#?
  
• What is the second derivative of #x/(2+ e^x)#?
  
• How do you find the first derivative of #y=(sinx/(1+cosx))^2#?
  
• How do you simplify #(4x^2+2x-1 )/( x+3 )#?
  
• How do you simplify #(-1)^(-1/8)#?
  
• How do you differentiate #f(t)=1/(t^(-1/2))# using the chain rule?
  
• How does one calculate the nominal GDP for two (2) goods/services?
  
• How do you find the integral #( x^4 - 3x^3 + 6x^2 - 7 ) dx#?
  
• What is a negative externalite?
  
• Who was in the triple Entente?