Answer:
The first one
Step-by-step explanation:
Use the vertical line test, all others cross in more than one place.
I hoped this helped or something
Answer:
60*0.8 raised to the t power where t is time
Step-by-step explanation:
60*0.8³=30.72
60*0.8∧4.25=23.24254578
5/8 I believe. You can divide both by 9