To find the seventh term of the arithmetic sequence using the explicit formula \( a_n = 4 - 3n \), we can substitute \( n = 7 \) into the formula.
\[ a_7 = 4 - 3(7) \] \[ a_7 = 4 - 21 \] \[ a_7 = -17 \]
Therefore, the seventh term is \( a_7 = -17 \).
So the correct response is:
a7=−17