Please help I am stuck

C) No, because one x-value corresponds to two different y values.

Here we have x = 3 correspond to y = 4 and y = 3 at the same time.

A function is only possible if any x input leads to exactly one y output. Put another way, we can't have x repeating any values if we want a function.

If you plot the points from the table, then you'll see the graph fails the vertical line test and that's a visual way to see we don't have a function.

C

Step-by-step explanation:

If one x-value has more than one y-value then it is not a function

D and B

Step-by-step explanation:

2) (59.6)/180 * pi=1.04