Find the range.
3 9 7 15 42

42

Step-by-step explanation:

To get the range we have to get the largest number and the smallest number.

The largest is 45

The smallest is 3

We do 45 -3 to get 42 :)

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square