Respuesta :

samuellai03

Answer:

T(n) = 9n - 24

Step-by-step explanation:

The first term is -15, therefore a = -15

The difference between the 1st and 2nd term is 9, therefore d = 9.

Set up the equation with T(n) = a + (n-1)d

T(n) = -15 + (n-1)(9) = 9n - 24

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