57. Nell has a sales clerk job that pays $12 per hour for regular work hours ( less than or equal to 40 hours per week ) . She gets double time ( or $24 per hour ) for any hours over 40 that she works in a week . Which of the following functions can be used to represent Nell's weekly pay for working h hours in a week ? ( A ) P ( h ) = \\ |12 0 ch 40 ( B ) P ( h ) =` |12 h Och 40 ( C ) P ( h ) = 12 h O ch 40 ( D ) P ( h ) =` 124 h + 480 h > 40 ([` ) P ( h ) = ( 12 . 40 0 ch 40