We can construct the function:

Where
or
is ordinate and
is abscissa.
The function actually represents a line. Since it can have linear form.

Hope this helps.
r3t40
I believe it'd be the one with the smiley emoji
First you would have to find how many inches the sign is, then you would find the radius and then multiply that by 3.50
6 3/14
Is the correct mixed number