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Cassie opens a bank account with two dollars. She adds four dollars on Day 1, eight
dollars on Day 2, and sixteen dollars on Day 3. She continues this pattern for 15
days.
Which statement describes why this sequence is a function.
Select each correct answer.
The graph of this sequence would pass the horizontal line test.
The graph of this sequence would pass the vertical line test.
Each amount of dollars corresponds to a unique day in this sequence.
None of the above.

Respuesta :

Using the function concept, it is found that the correct statement is:

  • The graph of this sequence would pass the vertical line test.

A function relates each value of the input to one value of the output, hence, option b is incorrect.

  • On a graph, each value of x(horizontal axis) is mapped to a value of y(vertical axis), hence, a vertical line test can be applied to determine whether the relation is a function.

In this problem:

  • For each day, which represents the input, there is only one output, which is her balance, hence, the graph modelling the situation would pass the vertical line test, which means that the second option is correct.

You can learn more about the function concept at https://brainly.com/question/12463448

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