A baker is putting cupcakes and trays to cool she put three cupcakes on the first 312 cupcakes on the second tray 48 cupcakes on the third tray and 192 cupcakes on the fourth Tray what kind of sequence is this

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.