Answers created by David Ong

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• How do you solve `-x^2+x+5>0` by graphing?
  
• What is the derivative of `f(t) = (tcos^2t , t^2-cost )`?
  
• How do you differentiate the following parametric equation: `x(t)=cos^2t, y(t)=sin2t`?
  
• How do you find the max or minimum of `f(x)=-7-3x^2+12x`?
  
• How do you solve `-\frac { w } { 3} = - 49`?
  
• How do you use the chain rule to differentiate `y=(1/(t-3))^2`?
  
• How do you simplify -5(-6p-2)+7?
  
• How do you solve `-2|4x+1|<-6`?
  
• How do you solve `2( x - 3) < 14`?
  
• How do you find the derivative of `sin^2(x/6)`?