Linear Function Analysis: Finding the Negative Domain from a Graph

Given the linear function of the drawing.

What is the negative domain of the function?

xy

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Step-by-step video solution

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00:00 Find the negative domain of the function
00:04 The function is positive when it's above the X-axis
00:10 and negative when the function is below the X-axis
00:14 The function is always above the X-axis, therefore always positive
00:18 and this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Given the linear function of the drawing.

What is the negative domain of the function?

xy

2

Step-by-step solution

The function is negative when it is below the Y-axis.

Note that the graph always remains above the X-axis, meaning it is always positive.

3

Final Answer

The always positive function

Practice Quiz

Test your knowledge with interactive questions

Look at the function shown in the figure.

When is the function positive?

xy-4-7

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