Tiffany started saving in a piggy bank on her birthday. The function models the amount of money, in dollars, in Tiffany’s piggy bank. The independent variable represents the number of days passed since her birthday.
Interpret the meaning of .
A
. A. The piggy bank started with `$4` in it, and Tiffany saves `$1` each day.
B
. B. One days after Tiffany started her piggy bank, there were `$4` in it.
C
. C. Four days after Tiffany started her piggy bank, there were `$1` in it.
D
. D. The piggy bank started with `$1` in it, and Tiffany saves `$4` each day.