Determine whether each relation is a function. (Just write yes or no). USE YOUR OWN PAPER. 1.{(-5, 2), (3, -3), (1,7), (3, 0)} 2.{(2, 7), (-5, 20), (-10, 20), (-2, 10), (1, 20)} 3.A4.

Continuing 8.1 Functions R drive > Key > Week 16 > Monday > 8.1 Continued_8.2 File > Save As > P drive > Math > Week 15 > 8.1 Continued_8.2

NOTES

Example 1 Find a Function Value (a). f(5)(b) f(-6) Step 1: Write the function. Step 2: Replace x with the input value. Step 3: Simplify

Example 2 Find a Function Value

Example 3 Use Function Notation

Example 3 Continued Use Function Notation

Example 4 Use Function Notation

Example 5 Use Function Notation Ms. Newman spent $8.82 buying cards that sold for $0.49 each. (a)Use function notation to write an equation that gives the total cost as a function of the number of cards purchased (a)Use the equation to determine the number of cards purchased

Moving On…. Section 8.2 Sequences and Equations

Vocabulary Sequence – An ordered list of numbers Term- Each number of the sequence Arithmetic Sequence – When the difference between any two consecutive terms is the same Common Difference – The name of the difference between the terms

Example 1 Describe an Arithmetic Sequence

Example 2 Describe an Arithmetic Sequence

Example 3 Find a Term in an Arithmetic Sequence

Example 4 Find a Term in an Arithmetic Sequence

Example 5 Find a Term in an Arithmetic Sequence

Example 6 Find a Term in an Arithmetic Sequence

Homework Section 8.1 # 5-8 Section 8.2 #1-9