A typical example is the relation between price ... The relation can be described algebraically by a two variable function or equation. But it is often useful to represent the relation in a ...

What do you think the graph ... graph has not moved up or down maximum turning point when \(y = 1\) and minimum turning point when \(y = - 1\) The graph looks like: Now try the example questions ...

In a function such as sine or cosine, we could also have a translation of the form: \(y = \sin (x - a)^\circ\) where \(a\) is called the phase angle. This is when the graph of the function has ...