Aurora S. thought she had found her true love while vacationing in Italy. To symbolize the "locking of their hearts Aurora and her soulmate
placed a lock on the Ponte Milvio Bridge and threw the key into the Tiber
River. The key left her hand 19.8 meters above the water and had an
initial velocity of 15m/sec. How long was the key in flight before it hit the
water? (round to the nearest hundredth)

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)

dont understand

step-by-step explanation:

the first domain and range set to the left is matched with the top relation, and the second set the set in the middle goes with the bottom relation.