Question

Please help me with this it is very important to my grade

Answer 1

Option B is correct

Explanation:

`\sf \longmapsto \: \frac{{x}^(3) - {y}^(3) }{4} \\ \sf \longmapsto \: \frac{ {4}^(3) - {2}^(3) }{4} \\ \sf \longmapsto \: (64 - 8)/(4) \\ \sf \longmapsto \: (56)/(4) \: \: \: \: \: \: \: \: \\ \sf \longmapsto \: 14`