Finding the Positive Domain: Analyzing a Horizontal Line at y=4

Question

What is the positive domain of the function shown in the graph below?

(0, 4)(0, 4)(0, 4)xy

Video Solution

Solution Steps

00:00 Find the positive domain of the function
00:03 The function is positive when it's above the X-axis
00:07 and negative when the function is below the X-axis
00:10 The function is always above the X-axis, therefore always positive
00:13 and this is the solution to the question

Step-by-Step Solution

Since the entire function is above the X-axis, the function is always positive.

In other words, its positive domain will be all values of x x .

Answer

For all x x

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Related Subjects

Linear Function Positive and Negativity of a Linear Function Function

Question Types

Positivity and Negativity: Identify positive and negative domains on a graph