Answer:
The answer to your question is C
Just try it out
- have a nice day, be safe & healthy -
- peace out -
The step function is characteristic of the floor or ceiling functions, which map a real number to an integer. There's clearly a factor of 2, indicated by two units of y for every one unit of x.
The open and filled circles indicate, for example, f(1)=2, f(1.01)=4. That means we're rounding up, so we're using the ceiling function.

Answer: second choice
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Answer:
Option (A).
Step-by-step explanation:
Option (A).
All whole numbers are integers.
True.
Option (B).
Whole numbers and integers have no element in common.
False. All whole numbers are integers. Therefore, whole numbers are contained in integers on Venn diagram.
Option (C).
All integers are whole numbers.
False. All whole numbers are integers.
Option (D).
Some whole numbers are integers.
False. All whole numbers are integers.