NAME
DATE
PERIOD
Homework Practice
D i « i Function Rules
Use w o r d s a n d s y m b o l s t o d e s c r i b e t h e v a l u e o f each t e r m as a
function of its position. Then f i n d the value of the sixteenth t e r m i n
t h e sequence.
1.
Position
2
Value of Term
8
3
4
5
12
16
20
••'I
n
I
2.
3.
4.
Position
8
9
10
11
Value of Term
14
15
16
17
Position
11
12
13
14
Value of Term
4
5
6
7
Position
21
22
23
24
Value o f Term
12
13
14
15
n
(At-4?
^2
n
n
D e t e r m i n e h o w t h e n e x t t e r m i n e a c h sequence c a n b e f o u n d . T h e n
f i n d t h e n e x t t w o t e r m s i n t h e sequence.
5. 3, 16, 29, 42, ...
6. 29, 25, 21, 17, ...
F i n d t h e m i s s i n g n u m b e r i n e a c h sequence.
8.5,
,10, 12|, ...
7'/^
9. 11.5, 9.4,
, 5.2
7. 1.2,J.5, 5.8, 8.1, ...
i
0
10.40,
12. COMPUTERS There are 8 bits of digital information
in 1 byte. I n the space at the right, make a table
and write a function rule relating the number of
bits to the number of bytes for 1, 2, 3, and n bytes.
Then find the number of bits i n one kilobyte i f
there are 1,024 bytes i n one kilobyte.
Chapter 8
, 3 7 | , 3 6 , ...
"7 3
11. MEASUREMENT There are 52 weeks i n 1 year. I n the
space at the right, make a table and write a
function rule relating the number of weeks to the
number of years for 1, 2, 3, and n years. Then
find Hana's age i n weeks i f she is 11 j^ears old.
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For more examples, go to glencoe.com.
25
Course 1
DATE
PERIOD
Problem-Solving Practice
Function Rules
1. AGE There are 12 months i n 1 year. I f
Carrick is 11 years old, how many
months old is he? Make a table. Then
write a function rule relating the
number of months to the number of
2. MEASUREMENT There are 12 inches i n
1 foot. The height of Rachel's door is
7 feet. Find the height i n inches. Make a
table. Then write a function rule
relating the number of feet to inches.
years.
1^-
1
11
24
3. RUNNING There are 60 seconds i n
1 minute. Costas can r u n all the way
around the track i n 180 seconds. Find
how long i t takes Costas to r u n around
the track i n minutes. Make a table.
Then write a function rule relating the
number of seconds to the number of
minutes.
_ ,
4. FRUIT There are 16 ounces i n 1 pound.
Chanda picked 9 pounds of cherries
from her tree this year Find the
number of ounces of cherries Chanda
picked. Make a table. Then write a
function rule relating the number of
ounces to the number of pounds.
sec
400^
50
6. COOKING There are 8 fluid ounces i n
1 cup. A beef stew recipe calls for 3 cups
of vegetable juice. Find the number of
fluid ounces of vegetable juice needed for
the recipe. Make a table. Then write a
function rule relating the number of
fluid otmces to the number of cups.
5. SPORTS There are 3 feet i n 1 yard. Tanya
Streeter holds the world record for
free-diving i n the ocean. She dived
525 feet in/^^/^^^y^ind
the
number of yards she dived. Make a
table. Then write a function rule
relating the number of feet to the
number of yards.
VPS
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2
3
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175"
Chapter 8
26
Course 1