Week ahead Warm-up Lesson 47 Exit card Agenda Week ahead Warm-up Lesson 47 Exit card

x y -1 1 2 1. Complete the table for the given function. y = -3x – 4 Warm-up x y -1   1 2 1. Complete the table for the given function. y = -3x – 4 2. Simplify (4 x 103)(5.2 x 109)

Lesson 47: graphing functions Recall: Function: a rule that pairs one output number with each input number. Domain: set of inputs Range: set of outputs

Consider the function A = 𝒔 𝟐 . What is the domain? What is the range? Create a table for some function pairs. Graph the function.

Turn to page 320: Example 1. Is a person who uses the parking garage only parking on the hour or is time continuous? Is the cost continuous? That is, if a person parked for an hour and a half, would he/she be charged less than $2? Explain.

A realtor charges $3,000 listing fee plus 9% of the selling price for houses up to $200,000. The total charge (c) is a function of the selling price (p) of an item. c = 3,000 + 0.09p Use a calculator to generate a table of pairs of values for the selling price and total charge. Graph the function. Is the relationship proportional? How do you know?

• Lesson 47 • Pp. 323-325: A – E, #1 – 8 Due Wednesday