Relations & Functions
Linear Functions
Arithmetic Sequences
Scatter Plots & Lines of Best Fit
100
Is it a function?
(-3,2),(-1,-3),(1,2),(2,3)
Yes, it's a function!
100
Find the value:
f(-2) if f(x)=2x+7
f(-2)=3
100
Is this an arithmetic sequence?
1,2,4,8,16,...
No
100
What type of association is shown by the data in the scatter plot?
Positive Association
200
Identify the domain:
(-3,2),(-1,-3),(1,2),(2,3)
{-3,-1,1,2)
200
Write a linear function:
f(x)=4x-5
200
What is the common difference of the following arithmetic sequence?
6,3.5,1,-1.5,-4,-6.5,...
d=-2.5
200
y=3.5x+10
300
What type of function is the following:
many-to-one
300
Write a linear function:
f(x)=6x+6
300
Write the explicit formula for the following story.
Sam buys a dog bed for $17. Then he picks out some dog toys from the bin that are $3 each.
an=17+3(n-1) OR an=14+3n
300
What type of correlation does the data in the table represent?
Negative Correlation
400
What is a reasonable domain for the following function?
Maude has a coffee budget of $40 each month. Coffee costs $4 each.
x=0,1,2,3,...,10
400
What is the range?
A function, f(x)=3x+10 has a domain
0lexle50
0leyle160
400
Write the recursive formula for the following story.
Sam buys a dog bed for $17. Then he picks out some dog toys from the bin that are $3 each.
an=an-1+3; a1=17
400
y=10x+14