Determine whether each relation is a function Just

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. A 4.

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

Homework Section 8. 1 # 5 -8 Section 8. 2 #1 -9