CAn yall help me with this ;-; im failing my math class and this will boost my grade

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Ben works in his dads bakery packing bagels each package can have no more then 16 bagels 3/4 of the bagels in each package are plain what other fractions could represent the part of the bagels in each package that will be plain