GENERAL MATHEMATICS

FUNCTION

please help me reduce my workload

++ i would be much thankful if you were able to explain every each of it

I.

A. Read and analyze the following statements. If you think the statement suggests an incorrect idea, rewrite it on the given space, otherwise leave it blank.

1. A relation is a set of ordered pairs where the first element is called the range while the second element is the domain.

________________________________________________________________________________________________________________________________________________________

2. A function can be classified as one-to-one correspondence, one-to-many

correspondence and many-to-one correspondence.

________________________________________________________________________________________________________________________________________________________

3. In a function machine, the input represents the independent variable while the

output is the dependent variable.

________________________________________________________________________________________________________________________________________________________

B. In three to five sentences, write the significance of function in showing real-life

situations.

_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

C. In yo ur ow n wo rds, discuss when a piecewise function is being used.

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

B. Multiple Choice. Choose the letter of the best answer.

1. Which of the following is not true about function?

a. Function is composed of two quantities where one depends on the other.

b. One-to-one correspondence is a function.

c. Many-to-one correspondence is a function.

d. One-to-many correspondence is a function.

2. In a relation, what do you call the y values or the output?

a. Piecewise

b. Range

c. Domain

d. Independent

3. Which of the following tables is NOT a representation of functions? 8. X 2 1 0 y 3 6 7 2 b. X -2 - 1 0 y 0 -3 3 C. X - 1 -2 -3 -4 y 2 3 4 d. X 0 2 4 6 y 6 5 A 3 4. In this table, what is the domain of the function? x 2 3 4 y a b C d e a. D: (2, 4, 6, 8, 10) b. D: (a, b, c, d, e) c. D: (1, 2, 3, 4, 5) d. y = (1, 2, 3, 4, 5, a, b, c, d)