3 years ago

The first four terms

1 answer:

8 0

An1 = 3n^2 -7 = 3(1)^2 -7 = 3(1)-7 = -4

an2 = 3n^2 -7 = 3(2)^2 -7 = 3(4)-7 = 5

an3 = 3n^2 -7 = 3(3)^2 -7 = 3(9)-7 = 20

an4 = 3n^2 -7 = 3(4)^2 -7 = 3(16)-7 = 41

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