Answers created by Siyabonga M.

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• Prove that `(sint-cost)/(sint+cost) = (2sin^2t-1)/(1+2sintcost)`?
  
• Find the equation of the circle with A(2,-3)and B(-3,5)as endpoints of a diameter?
  
• How do you find the important points to graph `f (x) = -3x + 8`?
  
• Must a function that is decreasing over a given interval always be negative over that same interval? Explain.
  
• How do you graph the quadratic function and identify the vertex and axis of symmetry and x intercepts for `y=(x-2)(x-6)`?
  
• How do you verify that `f(x)=x^2+2, x>=0; g(x)=sqrt(x-2)` are inverses?
  
• Question #6cddc
  
• Question #f8ac3
  
• What is the exponential function in the form `f(x)=ab^x` and has values: `f(1)=2` and `f(2)=5`?
  
• Calculate `f(2)`, knowing that with any `x≠0` the correct equality `f(x)+3f(1x)=x^2` ??
  
• How do you find the domain and range of `g(x) = ln(x + 4)`?
  
• How do you sketch the graph `y=x^5-16x` using the first and second derivatives?
  
• How do you find the domain of `y( x ) = \sqrt { 16- 8x }`?
  
• How do you simplify `(c^4d^4f^3)/(c^2d^4f^3)`?