In the Figure below is shown the graph of this function. We have the following function:

The
occurs when
, so:

Therefore, the
is the given by the point:

From the figure we have three
:

So, the
occur when
. Thus, proving this:

Answer:
x > 4
Step-by-step explanation:
Because x is greater than 4
Answer:
it will take her 2 hours and 45 minutes
Answer:
$6.00
Step-by-step explanation: