Akai said that the set of data in part (a) describes a function, BUT the set of data in part (b) does not.

Kazeem takes up bird watching. He has already identified 5 different types of birds when he sets a goal to increase the number of birds he has identified. Below is a graph that represents the number of birds he identifies after he sets his goal.

The temperature in Nome, Alaska on January 1st, can be represented by the following table.

- "T" represents temperature in degrees Fahrenheit

- "H" represents the hour of the day starting at 6 A.M.

Hozaifa is studying how location affects the speed of a bottlenose dolphin. Below is the information he found about 4 different dolphins:

(d) is the the distance in kilometers the dolphin traveled

(t) is time in hours.

Abdul has 50 stamps in his collection. When he joins a stamp club , he receives 12 stamps every month from the club

- y represents the total number of stamps he has

- x represents the number of months.

Determine if a function is linear or non-linear given an equation, a table of values, or a graph.