Yes 4) Determine if the ordered pairs represent a function.
{(1,5), (2,7), (3,9), (4,7)}
Yes
No
5) Determine if the manning diagram renresents a function.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?