2c – 6; when c = 7, the value is 8.c2-6; when c = 7, the value is 8c2-6; when c = 7, the value is 432c+6; when c = 7, the value is 20
A
2c – 6; when c = 7, the value is 8.B
c2-6; when c = 7, the value is 8C
c2-6; when c = 7, the value is 43D
2c+6; when c = 7, the value is 20