Questions asked by basmah mohammad alabbadi

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• If f(x)= x^2 - 1 and g(x)=x+1, when x not =-1, find f(x)/g(x)=?
  
• In the xy-plane, the circles with equations (x-3)^2 +y^2=11 and (x+2)^2+y^2=r^2 are externally tangent. what is the value of r? a).3 b)1.3 c)1.7 d)2.8 e)6
  
• If | x-2|=9, which of the following would equal |x+3|? a)4 b)7 c)8 d)10 e)11
  
• If the point (0,0) is on the graph of y=f(x), which of the following points must be on the graph of y=f(x-2)+3? a)(2, -3) b)(2,2) c)(2,3) d)(-2,-3) e)(-2,3)
  
• If A1=0.5, A2=3.5 and An= ((An-1)+1)/An-2 , then A4=? a)0.4 b)2.3 c)2.9 d)9 e)9.3 0
  
• If (3^n-3)+(3^2)=18, what is the value n?
  
• If #x/3=y/2#, which of the following is equivalent to #y/3#?
  
• If 6x<- 6y which of the following must be true?
  
• If f(x) = e^x and g(x) = sin x, then the value of (f comp g) (sqrt 2) is ? 2.7 or 3.8