Answer:
The equation is not a function.
Step-by-step explanation:
We are given that


Function: It is mapping between the values of two sets A and B.
Each element of A has unique value in set B.
By definition of function
In given function
y has no unique value for each value of x.
Substitute x=0

Hence, it is not a function.
Answer:
0.5184
Step-by-step explanation:
hope this helps!!!
12-9=3
3+12+4,5=19,5
19 hours and 30 min