Here are the matches based on the characteristics and functions provided:
- First Value of 6: \( a_n = 6 + 7(n - 1) \)
- Y-Intercept of 7: \( f(x) = -4x + 2 \)
- Rate of Change (Common Difference) of -4: \( f(x) = -4x + 2 \)
- Rate of Change (Common Difference) of 6: \( a_n = -4 + 6(n - 1) \)
Let me know if you need any further assistance!