A certain common formula converts the numbers in Box 1 to the corresponding ones in Box 2. Another formula then converts the numbers in Box 2 to the corresponding ones in Box 3: IMAGE

If we wanted to convert a number m in Box 1 directly to the corresponding number in Box 3, we could use the formula.

A. 3m + 2
B. 3m x 3
C. 3(m + 2)
D. m + 2 x 3