Answers edited by David O.

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