The woman"s answer had revealed a quick wit and humility, but it was her persistent faith that Jesus rewarded (cf. Matthew 15:28). [source][source][source]
"In contrast to the tradition of the elders Jesus [1] embraces the alienated of the Mosaic and rabbinic tradition: a leper ( Mark 1:40-45), tax collectors and sinners ( Mark 2:13-17), and even unclean Gentiles, including a Syrophoenician woman ( Mark 7:24-30)." [2][source]
The woman"s departure for home without Jesus also shows her faith. This is the only instance of Jesus healing from a distance without a vocal command that Mark recorded. As such, it demonstrates the great power of Jesus working for this woman"s need. The healing was instantaneous, as usual. Perhaps one of the disciples accompanied the woman and reported what Mark wrote in Mark 7:30. [source][source][source]
This incident would have had special interest for Gentile readers. It shows that Jesus rewards Gentile faith as well as Jewish faith. Jesus had come to deliver both Gentiles and Jews ( Mark 10:45). [source][source][source]