Recall from Introduction to Function Notation
that
a function is a rule that takes an input, does something to it,
and gives a unique corresponding output.
There is a special notation (called ‘function notation’) that is used to represent this situation:
if the function name is
$\,f\,$,
and the input name is
$\,x\,$,
then the unique corresponding output is called
$\,f(x)\,$.
The notation ‘
$f(x)\,$’ is read aloud as:
‘ $\,f\,$ of $\,x\,$ ’.
So, what exactly is
[beautiful math coming... please be patient]$\,f(x)\,$?
Answer: It is the output from the function
[beautiful math coming... please be patient]$\,f\,$ when the input is
[beautiful math coming... please be patient]$\,x\,\,$.
This exercise gives more advanced practice with function notation.
CONCEPT QUESTIONS EXERCISE:
On this exercise, you will not key in your answer.However, you can check to see if your answer is correct. 
PROBLEM TYPES:
