Solved on Jan 23, 2024

Graph the equation x=7x=7 by plotting points. Determine the domain and range.

STEP 1

Assumptions
1. We are working with the equation x=7x = 7.
2. The graph will be plotted on a standard Cartesian coordinate system.
3. The domain of a function is the set of all possible input values (x-values) which allow the function to work within the real numbers.
4. The range of a function is the set of all possible output values (y-values) which result from using the function.

STEP 2

Understand the equation x=7x = 7. This equation represents a vertical line on the Cartesian coordinate system where the x-coordinate of every point on the line is 7.

STEP 3

Choose several values for yy to plot points on the graph. Since xx must always be 7, we can choose any values for yy. For example, let's choose y=2,0,2,4y = -2, 0, 2, 4.

STEP 4

Plot the points (7,2)(7, -2), (7,0)(7, 0), (7,2)(7, 2), and (7,4)(7, 4) on the Cartesian coordinate system.

STEP 5

Draw a straight line through the plotted points. This line will be vertical and pass through the x-axis at x=7x = 7.

STEP 6

Determine the domain of the equation x=7x = 7. Since xx must always be 7, the domain is the set containing only the number 7.
Domain={7}Domain = \{7\}

STEP 7

Determine the range of the equation x=7x = 7. Since yy can be any real number, the range is all real numbers.
Range=(,)Range = (-\infty, \infty)
The domain of the equation x=7x = 7 is {7}\{7\}, and the range is (,)(-\infty, \infty). The graph is a vertical line that crosses the x-axis at x=7x = 7.

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