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Directions: Complete each function table.

1. Rule: k = w + 20

Hint: In the first problem, w is the unknown and the rule is: k = w+20.

Substituting the given values you know that 40 = w+20. Solve this equation using the rules for solving equations:

40 = w + 20

(subtract 20 from each side) 20 = w, or w = 20

\LARGE \frac{40}{-20} = \LARGE \frac{w+20}{-20}

Knowing this information, you can use the rule:

IF k = w + 20, THEN k = 40, then w = 20. Substitute ‘20’ in the table.

1. Rule: k = w+20

Input

w

? (20)

?

42

?

?

86

output

k

40

58

?

64

44

?

2. Rule: e = 8 - m

Input

m

?

?

8

?

2

output

e

7

6

?

5

?

3. Rule: y = 64 - t

Input

t

4

?

10

?

?

15

output

y

?

56

?

27

31

?

4. Rule: h = 8c

Input

c

2

3

?

5

?

7

output

h

?

?

32

?

48

?

5. Rule: k = 2r

Input

r

?

?

?

9

12

?

14

output

k

12

14

16

?

?

22

?

6. Rule: k = 2r

Input

r

?

?

?

9

12

?

14

output

k

12

14

16

?

?

22

?

7. Rule: y = 98-w

Input

w

24

?

12

16

?

8

output

y

?

45

?

?

42

?

8. Rule: p = 5+d

Input

d

2

6

?

?

8

output

p

?

?

13

46

?

9. Rule: I = u+4

Input

u

6

?

3

?

output

l

?

9

?

5

10. Rule: w = 60-g

Input

g

?

?

5

?

12

?

output

w

5

10

?

8

?

20

1 Answer

4 votes

Answer: 6

Explanation:

User Wololo
by
7.4k points

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