Use the explicit formula an=4−3n to find the seventh term of the arithmetic sequence.(1 point)
Responses
a7=1
a subscript 7 baseline equals 1
a7=7
a subscript 7 baseline equals 7
a7=−17
a subscript 7 baseline equals negative 17
a7=−1
a subscript 7 baseline equals negative 1
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To find the seventh term of the arithmetic sequence using the explicit formula an=4−3n, you simply substitute n=7 into the formula:
a7 = 4 - 3(7)
= 4 - 21
= -17
Therefore, the seventh term is -17.
So, the correct response is: a7 = −17, or a subscript 7 baseline equals negative 17.