Find the 7th value in the arithmetic sequence described by the explicit formula An=2.5+(n−1)4
.(1 point)
A7=
To find the 7th value in the arithmetic sequence described by the explicit formula An = 2.5 + (n-1)4, we simply substitute n = 7 into the formula:
A7 = 2.5 + (7-1)4
A7 = 2.5 + 6(4)
A7 = 2.5 + 24
A7 = 26.5
Therefore, the 7th value in the arithmetic sequence is A7 = 26.5.