Introduction to Functions

Question 1

Which ordered pair could be removed to make this relation a function?

Revolt · Accepted Answer

(4, –2)

Question 2

✔ all real numbersall real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}

Revolt · Accepted Answer

all real numbers; Selection 1: all real numbers

Question 3

The range is [___].

Revolt · Accepted Answer

{y: y = –2, –1, 0, 1, 2}

Question 4

What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function?

Revolt · Accepted Answer

The value of x can be .: any real number except 5; The value of y can be .: any real number

Question 5

✔ any real numberany real number except –2any real number except 5 and –2

Revolt · Accepted Answer

✔ any real number

Introduction to Functions Answers