Answer:
To know if it is a function see if there are two of the same x-intercept( which makes a vertical line). If there is,then it is not a function.
How you can tell
Step-by-step explanation:
A function assigns exactly one output to each input: x/input y/output
How they work: X <u>can not repeat</u> but Y <u>can</u>.
Lets see your problem, there are no inputs repeating and the outputs are fine.
That is a function!
7.25 until 8.00 = 35 minutes
8.00 until 3.00 PM = 7 hours
3.00 until 3.15 = 15 minutes
Answer is 7 hours 50 minutes
The domain is -2 to positive 2.
the answer would be a. 6"
