This word is used to describe the set of all inputs for a function.
What is the domain?
Is the following a function?
(1, 0), (2, 2), (3, 4)?
yes
If a movie store rents movies for 3.95 each which of the following is the independent variable?
The number of movies
The cost to rent the movies
The number of movies
f(-3) if f(x) = 2x +1
-5
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 2, 3}?
This word is used to describe the set of all outputs of a function.
What is the range?
Is the following a function?
(1, 1),
(4, 1),
(5, 2),
(1, 2),
(2, 5)?
No, because the input 1 has two different outputs
what is another name for domain?
Independent
f(12) if f(x) = 3x -5
31
Find the RANGE:
{(-2, 4), (3, 2), (2, 10)}
What is {2, 4, 10}?
This word describes a relation that pairs each x value with only one y value.
What is a function?
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No, because the input (x) of 2 has two different outputs (y)
What is another name for range?
Dependent
f(2) if f(x) = x-4
-2
Find the DOMAIN:
x y
-1 -4
0 1
2 5
4 6
What is {-1, 0, 2, 4}?
We can we replace f(x) with?
y
Is this a function and why?
What is no, because x's repeat at 8
The independent variable the X or Y axis?
X axis
f(5) if f(x) = 2x+8
18
Find the RANGE:
y is between -2 and 3
This term identifies the variable that changes based upon the other variable in a function.
What is the dependent variable?
Is this a function and why?
What is yes, because the x's are all different and have different y's
is the DEPENDENT variable graphed on the X or Y axis?
Y axis
f(2) if f(x) = x2 + 5
9
Find the DOMAIN:
What is {-2, 1, 2, 3}?