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Domain and Range
Writing Functions
Finding inputs and outputs
Independent and dependent variables
100
The set of x values in a relation is called?
What is domain
100
How do you write an equation in two variables that describe a function?
What is function notation
100
For f(x)=5x, find f(x) when x=6 and x=7.5
What is 30 and 37.5
100
Identify the dependent and independent variables: The cost of shipping a package is based on its weight.
dependent: cost independent:weight
200
What are the set of y values called?
What is range
200
Write this equation in function notation. The admission fee is to a local carnival is $8. Each ride costs 1.50
What is f(r)= 1.50r+8
200
For h(c)=2c -1, find h(c) when c=1 and c=-3
What is 1 and -7
200
What is the input of a function called?
What is independent variable
300
Give the domain of the relation: (1,2), (2,4), (3,6), (4,8), (5,10)
What is 1,2,3,4,5
300
What is a special type of relation that pairs each domain value with exactly one range value
What is a function
300
For f(x)=3x+7, find x such that f(x) =10
What is 1
300
The faster Ron walks,the quicker he gets home.
dependent:time independent: speed
400
Give the range of the relation: (1,2), (2,4), (3,6), (4,8), (5,10)
What is 2,4,6,8,and 10
400
Write an equation for: (1,-2) (2,-1) (3,0) (4,1)
What is y=x-3
400
For g(x)= 4x -9, find g(x) when x=3 and when x=5
What is 3 and 11
400
A lawyer's fee is $200 per hour for her services
dependent: fee independent:hours
500
Give the domain and range of the function. Tell whether it is a function and explain. (1,3) (1,0) (1,-2) (1,8)
domain:1 range:-2,0,3,8 not a function, x repeats
500
Write an equation for: (1,4) (2,7) (3,10) (4,13)
What is y=3x+1
500
For g(t)= 1/4t +1, find t such that g(t)=-5
What is -24
500
In the winter, more electricity is used when the temperature goes down, and less is used when temperature rises.
independent:temperature dependent:amount of electricity