Let f = {(1,1), (2,3), (0,–1), (–1, –3)} be a function from Z to Z defined by f(x) = ax + b, for some integers a, b. Determine a, b.

Planet Wiener receives $2.25 for every hotdog sold. They spend $105 for 25 packages of hot dogs and 10 packages of buns. Think of the linear function that demonstrates the profit based on the number of hotdogs sold
Rate of Change:___________
Initial Value:______________
Independent Variable:______
Dependent Variable:________
EQ of Line:________________

Sketch a graph modelling a function for the following situation:
A dog is sleeping when he hears the cat “meow” in the next room. He quickly runs to the next room where he slowly walks around looking for the cat. When he doesn’t find the cat, he sits down and goes back to sleep. Sketch a graph of a function of the dog’s speed in terms of time.

In the given diagram, m∠1 ≅ m∠3
Prove that ∠POR ≅ ∠QOS.

When a new laptop became available in a store, the number sold in the first week was high. Sales decreased over the next two weeks and then they remained steady over the next two weeks. The following week, the total number sold by the store increased slightly. Sketch the graph that represents this function over the six weeks.

Graph the following functions by filling out the chart using the inputs ( x values) that you think are appropriate.
Y = 0.25x + 1

X
Y

Graph the following functions by filling out the x / y chart using the inputs (x values) that you think are appropriate.
Y= x² + 2

X
Y

Is the relation shown in the table a function ? Explain

All functions are relations but all relations are not functions.

What relationship between money (in$) and time (in M) does this graph show. Write a description of the given graph .

For any real numbers a and b, if a = b and b = c, then a = c.
What is the name of the given property?

Jack’s Mother brings him a bowl of carrots as a snack. At first he does not eat any. Then he eats one at a time until half of the carrots are gone. Then he does not eat anymore. Sketch a graph that shows the number of carrots in the bowl over time ?

A baseball team scores the same number pf runs in each of the first four innings. After that the team did not score a run for the rest of the game which lasts 9 innings. Let X represents the innings of the game , and y represents total number of runs. Sketch the graph of the situation above. And How would the graph change if the innings in which the team scores runs changes ?

Does the relation { (-5,-3)(7,2)(3,8)(3,-8)(5,10)} represent a function ? Use the arrow diagram . Then explain your answer

Note: All functions are relations but all relations are not functions.

For any real numbers a and b, if a = b, then b = a.
What is the name of the given property?

An air cannon launches a T- shirt upward toward basketball fans. It reaches a maximum height and then descends for a couple seconds until a fan grabs it. Sketch the graph that represents this situation .

An airplane takes 15 minutes to reach its cruising altitude. The plane cruises at that altitude for 90 minutes , and then descend for 20 min before it lands. Sketch the graph of the height of the plane over the time