Wed. p. 380-384, #6-36, even omit #20 GLE 0706.3.3.2 Understand and compare various representations...

Wed. p. 380-384, #6-36, even omit #20

GLE 0706.3.3.2 Understand and compare various representations of relations and functions. Essential Questions: What is a relation? What is a function? When is a relation a function?

6. Y = 6X


x 6X y

1 6 X 1 6

2

3

4

8. Make a function table for pizzas sold after 1, 2, 3, and 4 hours if 25 pizzas are sold each hour.

What is the domain and range?


x 25x y

1 25 X 1 25

2

3

4

10. What is the equation using 2 variables that show the relationship between the total amount charged c after m months of cell phone service? Cell phone provider charges $40 for each month of service.

C = _____mUse the equation above to write about how to

find the total cost for 6 months of cell phone service. Then solve.



12. Y = 0.5x

What is the domain? What is the range?

x 0.5x y

1 0.5 (1) 0.5

2

3

4

GLE 0706.3.3.2 Understand and compare various representations of relations and functions.

Essential Questions: What is a relation? What is a function? When is a relation a function?

14. y= -0.2x

What is the domain?What is the range?

x -0.2x y

0 -0.2 (0) 0

1

2

3



16. Measurement: a. If Area of a rectangle is A=6w, what does the function table look like with widths of 2, 3, 4 and 5 units?

b. How does the area of a rectangle with a length of 6 units change when the width is increased by 1 unit? Hint: What is the difference between each A value?

w 6w A

2 6 x 2 12

3

4

5



18. Running: How many miles are run after 1, 2, 3, and 4 hours at the rate of 5.5 miles per hour?

After 1 hour, 5.5 miles are run; After 2 hrs., ________miles are run; after 3 hrs., _______miles are run; and after 4 hrs., ________miles are run.


22. Write a rule for the function represented by (1,2), (2,5), (3,10), (4,17)

Y =

24. Which function rule represents the data? Or what does y equal? Hint: what is the difference between each value in the y column? Multiply that value times x to get the answer.



26. Is this relation a function? (4,12), (5,16), (5,17), (6,10)

Explain.

28.

Is this relation a function? Explain.

x 2 5 8 11

y 3 3 5 7


Essential Questions: What is a relation? What is a function? When is a relation a function? How do you find the value of a function?

Is this relation a function? Explain.30.

0.5 1 1.5 2 2.5 3 3.50

123456789

Y-Values

GLE 0706.3.3.2 Understand and compare various representations of relations and functions. Essential Questions: What is a relation? What is a function? When is a relation a function? How do you find the value of each function?

Find the value of each function.32. f(4) if f(x) = 2x34. f(-8) if f(x)=-5x + 10


Essential Questions: What is a relation? What is a function? When is a relation a function? How do you find the value of each function?

36. Determine a rule for each set of ordered pairs. Then copy and complete each function table.

x ? F(x)

1 4(1)-1 3

2 7

3 11

4

Wed. p. 380-384, #6-36, even omit #20 GLE 0706.3.3.2 Understand and compare various representations...

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