Algebra 2
posted by Nan .
The sequence is defined by a recursion formula. Write the first four terms of the sequence;
a_1=0; a_n=5a_n1 +7

what's the problem? Just write them out:
a_1 = 0
a_2 = 5a_1 + 7 = 5*0+7 = 7
a_3 = 5a_2 + 7 = 5*7+7 = 42
and so on
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