Only the bottom one of the yes and no I already got the diagram answer.

C. and yes.

Step-by-step explanation:

The diagram answer you chose is incorrect due to the inconsistencies with the x and y coordinates.

All x's should be on one side and the y's should be on the other, hence why C is the correct one instead.

As for if this is a function, yes it is. This is because all inputs (x's) all go to one output (y's).

1 C

Step-by-step explanation:

First set is {1,2,3,4,5} /domain and range is { 13,17,19,23}

y=mx+b

step-by-step explanation:

m is slope, b is y-intercept