NAME DATE PERIOD Homework Practice -...
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NAME DATE PERIOD Homework Practice Functions and Equations Write an equation to represent each function. 1. Input, X h h 4 5 Output, y 7 14 21 28 35 2. Input,:*: 0 \ 2 Q Q .1 4 Output, y 0 9 27 36 y 3. Input, 1 .2,. , 3 4 5 4. Input, a; 10 20 ^4 50 Output, y 13 —v 26 39 52 65 4. Output, y 1 —ftV" 2 3 . " I t / • 4 5 iO w r - T5 5. Input, :r 0 1 2 3 4 6. Input, X 4 8 r — n 12 16 20 Output, y 1 6 11 16 21 Output, y 21 37 53 69 i s. 85 9 lb ifa ib it Graph each equation. 7. y = 5a; + 1 8. = jc + 2 9. y = 3x + 3 i6> 9n y 1 r 18 16 14 12 10 8 6 2 / r 18 16 14 12 10 8 6 2 r 18 16 14 12 10 8 6 2 } r 18 16 14 12 10 8 6 2 1 r 18 16 14 12 10 8 6 2 r 18 16 14 12 10 8 6 2 / r 18 16 14 12 10 8 6 2 / r 18 16 14 12 10 8 6 2 / r 18 16 14 12 10 8 6 2 / r 18 16 14 12 10 8 6 2 6 1 : J 4 5 E ; 7 J i 9 10x i 5 3 M 3' y lU Q y 8 7 6 5 4 1 y 8 7 6 5 4 1 / y 8 7 6 5 4 1 } y 8 7 6 5 4 1 / y 8 7 6 5 4 1 /I y 8 7 6 5 4 1 i y 8 7 6 5 4 1 / y 8 7 6 5 4 1 y 8 7 6 5 4 1 1 0 1 ^ ) ; 4 5 f; 7 i S 9 lOx 0? 3 3 ^ 50 y (lU 18 16 14 12 (lU 18 16 14 12 / (lU 18 16 14 12 r (lU 18 16 14 12 / (lU 18 16 14 12 j / 1 u 8 6 4 ^ / 1 u 8 6 4 ^ 1 u 8 6 4 ^ / 1 u 8 6 4 ^ 1 u 8 6 4 ^ 0 } ^ ! 4 5 6 7 8 9 lOx 10. TELEPHONE A cell phone company charges $40 per month plus $2 for each minute of time used out of the service area. The equation y — 40 + 2x describes the amount y that a cell phone user would pay if they used the phone for X minutes out of the service area. Graph the function. Y 0 I 3 For more examples, go to glencoe.com. Chapters 10 SO 1 n n y 1 uu on yu pn oU 7n /U fin uU UU '^n OU Of) 10 10 0 1 2 3 4 5 6 " 5 ? ) 10x Course 1
Transcript of NAME DATE PERIOD Homework Practice -...
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NAME DATE PERIOD
Homework Practice Functions and Equations
Write a n equation to represent each function.
1. Input , X h h 4 5 Output, y 7 14 21 28 35
2. Input,:*: 0 \ 2 Q Q
.1 4
Output, y 0 9 27 36
y 3. Input , 1 . 2 , . , 3 4 5 4. Input , a; 10 20 4̂ 50
Output, y 13 — v 26 39 52 65
4.
Output, y 1 — f t V "
2 3 . " I t / •
4 5
iO w r - T5 5. Input , :r 0 1 2 3 4 6. Input , X 4 8
r — n 12 16 20
Output, y 1 6 11 16 21 Output, y 21 37 53 69 i s.
85 9
l b ifa ib i t
G r a p h each equation.
7. y = 5a; + 1 8. = jc + 2 9. y = 3x + 3
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10. TELEPHONE A cell phone company charges $40 per month plus $2 for each minute of t ime used out of the service area. The equation y — 40 + 2x describes the amount y that a cell phone user would pay i f they used the phone for X minutes out of the service area. Graph the function.
Y 0 I 3
For more examples, go to glencoe.com.
Chapters 10 SO
1 n n y
1 uu o n yu p n o U
7 n /U
fin u U
U U
'^n O U Of)
10 10
0 1 2 3 4 5 6 " 5 ? ) 10x
Course 1
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NAME DATE PERIOD
Problem-Solving Practice Functions and Equations
1. FISHING A lake owner charges $80 for a day's guided fishing t r i p , plus $5 for each pound of fish caught. The equation c = 80 + 5p describes the total charge c for the number of pounds p of fish. Make a function table for the input-output values.
p 80 + 5p c 0 1 2 3 15'
2. Graph the function from Exercise 1.
100 90 80, 70 60 50 40 30 20 10
—
•
• 1 2 3 4 5
Pounds
3. MAGAZINE A writer's magazine subscription costs $24 per year plus $4 for each w r i t i n g contest the subscriber enters. The equation c = 24 + Aw describes the total charge c for the number of contest entries w. Make a function table for the input-output values.
4. Graph the function from Exercise 3.
/ 40 35 30
2 25
w 24 -1- Aw c 0 1 2 3^ 3 36
15 10 5
J
> V
1 2 3 4 5 Entries
5. DAY CARE A day care center charges $75 per week for one child, plus $30 per sibling. The equation t = 75 + 30s describes the total charge t for the number of siblings s. Make a function table for the input-output values.
6. Graph the function from.Exercise 5
75 + 30«
mi. 1 2 3 4 5 Siblings
Chapter 8 122 Course 1
