Answer:
A, B, C are false. D, E, F are true
Step-by-step explanation:
let's use the number 3 as a case study
A. 3²-1 = 9 - 1 = 8 (false)
B. 3(3-1) = 3 × 2 = 6 (false)
C. (3-1)² = 2² = 4 (false)
D. 3² + 2 = 9 + 2 = 11 (true)
E. 3(3-2) = 3 × 1 = 3 (true)
F. (3-2)² = 1² = 1 (true)
