Answers edited by David O.

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