The answer is a. Just check the work below to understand
Answer:
32 years old
Step-by-step explanation:
Please see attached picture for full solution.
Let Sunil's present age be 4x and his wife's present age be 3x.
In this case you the probabilities can be multiplied similarly to if you flipped a coin twice. .45 * .80 = .36
18/1
36/2
72/4
...and many more....
Answer:
First 3 are functions . Last one is not a function
Step-by-step explanation:
They are all functions except the last one.
The last one is not a function because it has duplicate x- values in the ordered pairs (1, -1) and (1, -6). There are 2 outputs for one input so its a relation but not a function