Respuesta :
Formula for an is 3n - 11
Step-by-step explanation:
- Step 1: Equation for a(n) = a + (n - 1)d where a = - 8, d = common difference = a2 - a1 = -5 - -8 = 3
⇒ a(n) = -8 + (n - 1)3 = - 8 + 3n - 3 = 3n - 11
Formula for an is 3n - 11
Step-by-step explanation:
⇒ a(n) = -8 + (n - 1)3 = - 8 + 3n - 3 = 3n - 11