Answer:
I think the IQR is 100
Step-by-step explanation:
You would have to find the first and third quartiles first. After that you would subtract the third quartile by the first to get the IQR
Answer:

Step-by-step explanation:

Divide both sides by
:

Simplify:

For a relation to be a function it must be


relation is not a function.
In the above options, C is

relation therefore cannot be a function.
The reason is that 3 alone maps onto -2 and 5, in the ordered pairs (3,-2) and (3,5). This disqualifies it from being a function.
Hence the graph of this relation will not pass the vertical line test