Intro to functions and interval notation

To be considered a function:

• x's are not allowed to repeat

• y's are not allowed to repeat

Which graph represents a function?

a

Graph A

Graph C

Graph B

Graph D

Without putting parenthesis around the value -3², what will the calculator give you as an output?

Can you put the numbers in order least to greatest?

10, -1, 4, 0, -2, -7

In math, when the numbers never stop going up or down, we call that...

• A lot

• A headache

• Infinity

• A million

Try the notation for this problem!