Answers edited by Guilherme N.

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