The sequence of operations
‘take a number, multiply by $\,2\,$, then add $\,1\,$’
is represented by
the expression
$\,2x + 1\,$.
The sequence of operations
‘take a number, add $\,1\,$, then multiply by $\,2\,$’
is represented by
the expression
$\,2(x+1)\,$.
(Of course, a variable other than $\,x\,$ can be used.)
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:
