Let ݂ሺݔሻ ൌ ͹ݔଶ െ ͷݔ ͵ ൅ and ݃ሺݔሻ ൌ ʹݔଶ ൅ Ͷݔ െ ͸.
Part A: Find ݂ሺݔሻ ൅ ݃ሺݔሻ
Part B: Find ݂ሺݔሻ െ ݃ሺݔሻ
Part C: Find ݃ሺݔሻ െ ݂ሺݔሻ