NAME DATE PERIOD

Homework Practice Multiple Representations of Functions

WATER One water filter w i l l clean 40 gallons of water. 1

1 . Write an equation to find g, the total number of gallons cleaned by any number of filters f. q ~ j ^ . Q

2. Make a function table to show the relationship between the number of filters f and the total number of gallons g.

Fi l ters (/) Gallons (g)

/

w 3 \

3. Graph the ordered pairs. 180 160 140

g 120 J 100 « 80

60 40 20

2 3 Filters

CHAIRS Furniture Fanatics is selling dining chairs for $45 each. Chairs R Us charges $52 per chair.

I 4. Write an equation to represent the total cost t of any number of chairs c at

each place. p f ~ " . = 4'-SC-5. Use the equations of the functions to determine

which line is steeper Explain your reasoning.

•̂\̂ s coe{-(vC \ f^i t of X iS

300 270 240 210 180 150 120 90 60 30

.If

/ r

— — Chairs R Us^

° Furniture Fanaticsf

t f '^I^M^^Mff ! For more examples, go to glencoe.com.

Chapter 8 36 Course 1

NAME DATE

Problem-Solving Practice Multiple Representations of Functions

FITNESS For Exercises 1-3, use the following information.

Rosal ia burns 250 Calories for each hour she does aerobics.

PERIOD

1 . Make a table to show the relationship between the number of Calories c Rosalia burns doing aerobics for h hours. n t

i 2 50 -z 500 3 7 SO

Mr lOOO

3. Graph the ordered pairs for the function i n Exercise 1 .

1,000 900 800

1 700 1 600

500 & 5 400

300 200 100

0

4. MUSICALS The table below shows the admission price to the school musical. Write a sentence and an equation to describe the data. , v ^ f

-IW^ ^ of p<?Op(€

1 2 3 4 Numbers of Hours

5. Graph the ordered pairs for the function i n Exercise 4.

21 18 15 12

0

21 18 15 12

0

r 21 18 15 12

0

m

21 18 15 12

0

21 18 15 12

0 J -R

1 0

-3 0

-3 o 1 2 3 4

2. Write an equation to find c, the number of Calories Rosalia burns i n h hours.

Q ^ 2 5 0 IA

Number of People (n)

Total Admission (t)

1 $6 2 $12 3 $18

6. VIDEO GAMES The table below shows the number of points earned for catching bugs i n a video game. Write a sentence and an equation to describe the data. P W

Number of Bugs Caught (6)

Total Points it)

1 25 2 50 3 75

Chapter 8 37 Course 1