Step Functions Answers

12 verified answers2 views
3

The domain of the function is all

A
natural numbers 0
B
real numbers 0
C
integers 0
4

The range of the function is all

A
real numbers 0
B
integers 0
C
multiples of 8 greater than 0
5

Which pair(s) of expressions are equal in value? Check all that apply.

A
Option
B
Option
C
Option
D
Option
6

Is the statement true for all real numbers? Explain.

Answer:

The statement is not true for all real numbers. It is true for noninteger decimal or fractional values of x, but not for integer values. For example, if x = 2, then ⌈2⌉ = 2 while ⌊3⌋ = 3.

7

What is the domain of ?

Question illustration
A
all real numbers
B
all integers
C
all multiples of 4
D
all multiples of 8
9

A parking garage allows users to park the first hour free and then charges $2.50 for each additional hour or fraction of an hour. Which equation represents this situation?

A
Option
B
Option
C
Option
D
Option
10

Does your answer include the following?

A
The statement is not true for all real numbers. It is only true for decimal or fractional values of x .
B
If x is an integer, then the ceiling function returns x when the input is x . But, the flooring function returns x + 1 when the input is x + 1.
C
Since x does not equal x + 1 when x is an integer, the expressions are not equal when x is an integer.
11

What is the range of ?

Question illustration
A
all real numbers
B
all integers
C
all multiples of 4
D
all multiples of 8

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Step Functions Answers — VA-Mathematical Analysis