Answers edited by David O.

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• What answer ? y = x2 + 7x – 5 can be written in the form y = (x + a)2 + b.
  
• How do you differentiate #[(2x^3) - (4x^2) + 3] / x^2 #?
  
• How do you find the exact value of sin ( sin^-1 3/8)?
  
• In a regular polygon the wxterior angle is one fifth of an interior angle. How many sides has the polygon?
  
• How do you simplify #sqrt80+sqrt20#?
  
• What is the inverse function of #f(x)=(x+1)^2#?
  
• Given that the inverse of h(a) = 3, what is the value of a ?
  
• What are the intercepts for #Y=-2x^2-8x+6#?
  
• How do you differentiate #(3+2x - x^2)^(1/2)#?
  
• How do you write the algebraic expression for "the sum on two consecutive number"?
  
• How do you graph #x^2+y^2-6x-14y+42=0#?
  
• How do you find the length of the curve for #y=x^(3/2) # for (0,6)?
  
• Solve this equation? I don't get it.
  
• Find the angle between the tangents to the circle x² + y² - y -3 =0 at the point where x=1 and find their point of intersection?
  
• Suppose the probability that it will rain tomorrow is 0.7. (a) What are the odds that it will rain tomorrow? (b) What are the odds that it will not rain tomorrow?
  
• What are all square roots of #100/9#?
  
• How can I simplify this trigonometry expression? Thanks!
  
• If #f(x) = sqrt(x - 5)#, for #x ≥ 5#, what is the inverse of #f(2)# ?
  
• What is the equation of the tangent line of #f(x) =((x-1)^3(x^2+2))/(e^x-1)^4# at #x=2#?
  
• How do you find the exact value of 3 over the square root of 8?
  
• How do you solve #7u-10u^2=1#?
  
• How does exponential growth differ from logistic growth?
  
• How do you factor #x^(-3/2) + 2x^(-1/2) + x^(1/2)#?
  
• What are the foci of the ellipse given by the equation 16x^2 + 9y^2 + 64x + 108y + 244 = 0??
  
• How do you find the distance between (-3,0) and (4,0)?
  
• How do you simplify #sqrt(24x^3yz)#?
  
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