AGENDA WARM-UP LESSON 21 AND 22 CORRECTIONS LESSON 23 AND 24 HW QUESTIONS? LESSON 25 EXIT CARD.

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Presentation transcript:

AGENDA WARM-UP LESSON 21 AND 22 CORRECTIONS LESSON 23 AND 24 HW QUESTIONS? LESSON 25 EXIT CARD

WARM-UP 1.Find the value of y when x = 8 5y = -3x – 6 2. Solve 0.45x – = 8.098

LESSON 23 AND 24 HOMEWORK QUESTIONS??

LESSON 25: DIFFERENTIATING BETWEEN RELATIONS AND FUNCTIONS Recall: In an ordered pair (x, y), y depends on x. -independent-dependent -input values-output values

DETERMINING DOMAIN AND RANGE. Mapping Diagram Ordered Pair Table

RELATION VS. FUNCTION RelationFunction _ *Set of ordered pairs *each number in the domain is matched to one or more matched with EXACTLY members in the range one member of the domain

VERTICAL LINE TEST *used to determine if a relation is a function

GRAPH THE ORDERED PAIRS AND USE THE VERTICAL-LINE TEST TO SEE IF THE SET IS A FUNCTION

WRITING A FUNCTION Goal: Isolate the dependent variable (y) Ex: Write x – 3y = 4 in function form

Ava is collecting money for a charity and donating $12 of her own money. She asks friends to give $5 each. Write a rule in function notation to find how much she will donate in all.

Lesson 25 Pp. 149 – 150: A – F All, #1 – 10 All CP: #13 Due Thursday