Write the letter of the correct answer before the number. 1. What is the next ordered pair in the relation below?
{ (2, √2), (3,√3 ), (4, 2) ,(5, √5 ), (6, √6), (7, √7), … }
a. (8,8) b. ( √8, 8) c. (8, 2√2) d. (8, -8)
2. Which of the following has a graph of a function?
a. x2 + y2 = 9 b. x2 - y2 = 1 c. y - x2 = 4 d. x - y2 = 16
3. Which of the following correspondence is a function?
i. one-to-one ii. one-to-many iii. many-to-one
a. i only b. ii only c. ii and iii d. i and iii
4. What value of x will make { (3,5) ,(7,9), (x – 3, 13) , (15, 17)} satisfy the relation y = x + 2?
a. 6 b. 10 c. 14 d. 18
5. Which of the following is not a function?
a. The rule which assigns to each integer its factor
b. The rule which assigns to every person his/her biological father