The functions represented by the graph are y = x + 3 and y = 3. Option B is correct
Piecewise functions
Piecewise functions are functions containing two or more expressions.
The shown graph is made up of a straight line and a horizontal line.
Since the horizontal line passed through the point 3, hence the equation f the line is y = 3
For the slant line, the y-intercept is (0, 3) and the slope is expressed as:
Slope = 3-0/0-(-3)
Slope = 3/3 = 2
Hence the functions represented by the graph are y = x + 3 and y = 3
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