8. Find the value of function f(-2) in. the function of f(x) = 2x + 4
a. 0
b. 4
c. 8
9. What is the domain of the graph of the function in figure 1.
a. {x|x €}
b. {x|x is > 0}
c. {x|x is < 0}
10. Jake pays an amount of 20 pesos per hour per using the internet. During weekend, he enjoys and spends most of his time searching some lessons and studying using internet. How much will he pay for the internet for 5 hours?
a. 40 php
b. 80 php
c. 100 php
For number 11-1: determine the dependent and independent variable between
Number of hours using internet and amount to pay
11. Independent variable:
12. Dependent variable:
For number 13-16 Complete the table given the rule f(x) =x + 3. Write your answer in the box with number (13),(14),(15) and (16)
For items 17-20: Write an ordered pairs base from the table you completed in number 13-16
{ (0,3) , (1,4) , (2,__) , (3,__) ,
(17) (18)
(4,__) ,
(19)
(5,__) }
(20)
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Answer:
8. a
9. a
10. c
11. amount to pay
12. number of hours using internet
13. 5
14. 6
15. 7
16. 8
17. (2,5)
18. (3,6)
19. (4,7)
20. (5,8)
Hope it helps you