Which algebraic expression represents the phrase “two times the quantity of a number minus 12”?

Hey there, Lets solve this step by step. 

"Two times the quantity of a number minus 12”

Two times the quantity = 2 * n 

number minus 12 = n - 12 

Therefore 

2n-12 

To answer this question, let the number be represented by the variable x. The expression quantity of a number minus 12 can be mathematically expressed as x - 12. Then, this expression is multiplied by 2. Thus, the final answer is equal to,
                                  2(x - 12)

Which of the following values are in the range is the function graphed below? check all that applya.3b.1c.0d.-2e.5f.2a