A study found that a student's GPA, g, is related to the number of hours worked each week, h, by the equation g = -0.0007h² + 0.014h + 3.04. Estimate the number of hours worked each week for a student with a GPA of 2.25.

A) Less than 10 hours
B) Between 10 and 20 hours
C) Between 20 and 30 hours
D) More than 30 hours