Objective The learner will write a function rule given a table or real-world situation.

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Presentation transcript:

Objective The learner will write a function rule given a table or real-world situation.

Why? To learn to identify rules or patterns in real world situations like identifying profit or money earned.

Lesson 4-6

Videos Functions with Tables Functions with Graphs

Ask yourself, “What can I do to 1 to get 5, to 2, to get 6, ….. ?” You add 4 to each x-value to get f(x)

Ask yourself, “What can I do to 3 to get 9, to 6 to get 36, ….. ?” You multiply each x-value times itself to get f(x)

You Try!

Real World Problem Write a function rule for a scale model of an airplane that is 200 times smaller than the real airplane.

Real World Problem Suppose you borrow money from a relative to buy a lawn mower that costs $245. You charge $18 to mow a lawn. Write a rule to describe your profit as a function of the number of lawns mowed.

Real World Problem Suppose you buy a word- processing software package for $199. You charge $15 per hour for word processing. Write a rule to describe your profit as a function of the number of hours you work.