Domain/Range
Find the domain:
{(-5,5),(-10,10),(-15,15),(-20,20)}
What is
-5, -10, -15, -20
Function name f, input is x, and the rule is 9x.
f(x) = 9x
given: f(x) = x + 2
What is -4
given: f(x) = 2x
find x
What is x = 14
This is the set of inputs.
What is the
domain
Find the range:
{(1,2), (3,4), (5,6), (7,8)}
What is
2, 4, 6, 8
Function name is g and the rule is 5r+2
g(r) = 5r+2
given: f(x) = 5x + 10
What is -20
given: f(x) = 1/4x
find x
What is x = 112
A relationship where each input has only one output.
What is a
function
What is the range:
Input values are the codes: 100, 101, 102
Output values are snacks: cheetos, doritos, and pretzels
What is
cheetos, doritos, and pretzels
What is the name of the function W(d)?
What is
W
given: f(x) = -3x - 9
What is 9
given: f(x) = 3x + 16
find x
What is x = 4
A variable representing the output of a function.
What is
dependent variable
Find the output:
When you use the letters on a keyboard to type your essay.
What is the
essay
If the name of the function is h, and the input value is x. Express this in function notation.
What is
h(x)
given: f(x) = x2 - 5
What is 31
given: f(x) = x2 + 12
find x
What is x = -4 and 4
A function that has a constant rate of change.
What is a
Linear Function
Find domain and range:
{(3,6), (4,9), (15,11), (13,22)}
What is
domain: 3, 4, 15, 13
range: 6, 9, 11, 22
Write the following in function notation.
Function: f(x)
Input: -3
Output: 5
What is
f(-3) = 5
given: f(x) = x2 - 30
What is 6
given: f(x) = 4/7 x
find x
What is x = 49
A way of writing the outputs of a function that you have given a name to.
What is the
function notation