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Tommy, Sally, Roxy

B1 C1

B2

A4 B5

A B C

A1A1

A3A3 B3B3 C3

C2

C4

A2

A5 B6B6 C5

1

2

3

4

5

y = x + 9

Write a function rule for

X Y

1 10

2 11

3 12

100$

Y = 2x + 999

400$

X Y

1425 3849

1652 4303

6512 14023

Write a function rule for

LOSE YOUR POINTS

T

a) Y = x1.19$X is how many pound.b) Y = x1.19$

Y = (12)1.19$Y = 14.28$

1000A) A carpenter buys finishing nails by the pound. Each

pound of nails costs $1.19. Write a function rule to describe this relationship.

B) How much does 12 lb of fishing nails costs?

Y = x - 430.9

300

Write a function rule for

X Y

500 69.1

501 70.1

502 71.1

T

LOSE YOUR POINTS

Y = x³

400

Write a function rule for

X Y

1 1

2 8

3 27

4 64

a) D = K*5000$b) D = K*5000$

D = (695134) * 5000$D = 3475670000$

900

Beep wants to buy a diamond for his wife, the price of a diamond depends on how many karat is it. A diamond

cost 5000$ per karat.

a)Write a function rule to describe the function.

b)How much would a diamond 695134 Karat cost?

Y = -5X + 1

400

Write a function rule for

X Y

0 1

1 -4

2 -9

3 -14

4 -19

Y = x³ - 1

400

Write a function rule for

X Y

-1 0

-2 7

-3 26

-4 63

T

LOSE YOUR POINTS

G(a) = G*5000$

Write a function rule for each situation

Guti’s earning G(a) for a assist when he’s assist wage is 5000$.

2

0

0

Y = x² + 999

600

Write a function rule for

X Y

123456 15241384935

123457 15241631848

123458 15241878763

123459 15242125680

Write a function rule for each situation and answer question

Tommy’s earning T(c) for c cut a rope for a fisher, when he’s cut wage is 11111 VND.

a)Write a function rule.

b)Tommy had cut 125 ropes how much he had earn.

c)Yesterday, Tommy had a party at Sally and Roxy house until 4 A.M. He feel sleepy so he can’t concentrate so he cut really bad. His boss decrease

his wage to 50%. How much he will earn if he cut 999 ropes badly and write a function rule for it.

a)T(c) = 11111*C

b) T(c) = 11111*CT(c) = 11111*(125)

T(c) = 1388875

c)T(c) = 11111*C *50%T(c) = 11111*(999)*50%

T(c) = 11099889*50%T(c) = 5549944.5

2

0

0

0

T

LOSE YOUR POINTS