What is this form called?
f(x) = 2x + 3
Function notation
Which axis does the independent quantity belong on?
Which axis does the dependent quantity belong on?
Independent - x axis
Dependent - y axis
The relationship between the number of cans of pumpkin puree used in a pumpkin pie recipe and the serving size (how many people it will feed) is given in the table where s is the Serving Size and N(s) is the Number of Pumpkin Puree used. Find N(6).

3/4
Is this table a function?

No
What is the range of this graph?

R: y ≥ 2
The name for the test to determine whether a graph is a function or not.
The Vertical Line Test
Tickets to homecoming cost $20 per person. The total amount raised was $600! What is the independent quantity?
The number of people who bought tickets.
f(x) = -1/3x +5
f(x) = -12
what is x?
x = 2
Is this mapping a function?

No
What is the domain of this graph?

D: ℝ
If Mrs. Caruso runs her marathon at a constant rate of 7 miles per hour, what would the graph of her run look like? Draw and Label the axis.

Mrs. Lopez can grade at a rate of 15 assignments per hour. What is the dependent quantity?
number of assignments
h(a) = 4^a + 2
a = -2
What does h(a) = ?
2.0625
or
33/16
Are these pairings a function?
{ (-5,1) (3,8) (-4,2) (6,7)}
Yes
What is the domain and range of the graph?

D: ℝ
R: y ≥ 0
The table shows L(t), a person’s life expectancy in terms of their birth year where t = years since 1980.

Find the average rate of change from 1985 to 1999. Round to the nearest hundreds.
0.14
Which is the dependent and which is the independent quantity of the graph?

Independent - Number of Chicken Wings
Dependent - Price
Morgan likes to eat sushi. He has $50 to spend on food today. Each type of sushi is $5. How many types of sushi can Morgan buy?
10 types of sushi
If you take away a point to make this graph a function, what x-value would make this relation a function?
( x , 2 )

x = -3
What is the domain and range of this graph? Is it a function?

D: -7 ≤ x ≤ 7
R: 0 ≤ y ≤ 4