Respuesta :

wegnerkolmp2741o

Answer:

a3 = -14

Step-by-step explanation:

a(1) = 20

a(n) = a(n - 1) - 17

a(2) = a(2-1) - 17

a(2) = a(1) -17

        =20-17 = 3

a(3) = a(3-1) - 17

      = a(2) -17

         3-17

        -14

jiaojason2020

Answer:

The 3rd term is -14

Step-by-step explanation:

This is a recursive formula. It tells us that the first term is 20 and that the common difference is -17.

a(1) = 20

a(2) = a(1) - 17 = 3

a(3) = a(2) - 17 = -14

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