Graphing RelationsFunctions

Domain & Range ???

$100 $100 $100 $100 $100

$200 $200 $200 $200 $200

$300 $300 $300 $300 $300

$400 $400 $400 $400 $400

$500 $500 $500 $500 $500

WordProblems

The cost of your electric bill increases with the number of hours you run your air conditioner. Identify the independent and dependent quantities in the situation.

A baseball camp quotes its participants the following prices to attend camp. Which function represents the relationship between the total cost and the number of days at camp?

Number of Days, d

Process Total Cost, c

3 70

5 100

7 130

A) c = 25x – 5

B) c = 20x

C) c = 20x + 10

D) c = 15x + 25

Brandon wants to buy an iPod for $188. He has $52 and is going to save $8 each week. How many weeks will it take Brandon to save enough money to buy the iPod?

The Lopez family is renting a party boat on Lake Conroe. The cost to rent the boat is $100 plus $40 for each hour of use. The Lopez’s cost for h hours is $380. Write an equation that can be used to find h. Then solve for h.

Joey has $40 to spend on refreshments for him and his friends at the movie theater. He buys popcorn, x, for $5 a container and soda, y, for $2 a cup. Write an equation to describe this situation.

Find the domain & range.

Find the domain & range.

Find the domain & range.

Find the domain & range.

Find the domain & range.

Is the relation a function? Why or Why Not?

Give the domain and range of the relation graphed below. Is

it a function? Why or why not?

Given the functionf(x) = -x - 5

Find f(-3)

Given the functionf(x) = ¾ x + 12

Find f(-16)

Give the function rule described by the ordered pairs in the

table.

x y-2 -75 0-6 -112 -31 -4

Pick the correct graph.Chris stood at a distance from

the car.

distance

distance

distance

distance

time time

time time

A)

B)

D)

C)

distance

distance

distance

distance

time time

time time

Pick the correct graph.John walks at a steady pace.

A)

B)

D)

C)time

time

time

time

speed speed

speed speed

Draw a graph that illustrates the story. Label the parts of the graph.A trip home on the school bus includes 2 stops before you get to your bus stop.

time

distance

Draw a graph that illustrates the story. Label the parts of the graph.A trip home on the school bus includes 2 stops before you get to your bus stop.

time

speed

Pick the correct graph.A woman climbs a hill at a steady pace and

then starts to run down one side .A)

B)

D)

C)time

time

time

time

speed speed

speed speed

Write a rule in function notation for the situation. Identify the

independent and dependent variables.

Bowling costs $3 per game plus $2.50 for shoe rental.

Find the x- and y-intercepts.

6x – 8y = 24

Find the slope of the line that

contains the points below.

(-1, -5) and (-9, -1)

Write the function

rule for the table.

X Y

-2 1

0 -51 -8

3 -14

Find the slope of the line. Then tell what the slope represents.