Parametric Equations

Question 1

For a parametric equation, what is the domain of f(x)?

Answer 1

The range of the x equation

Question 2

For a parametric equation, what is the range of f(x)?

Answer 2

The range of the y equation

Question 3

How would you show that an equation is a tangent to a curve?

Answer 3

By making their equations equal to each other to create a quadratic formula, then using the discriminant to show that there is only one root

Question 4

If lnx = b , make x the subject

Answer 4

x = e^b