iklassibrahim123
21.12.2020 •
Mathematics
Express the function graphed below
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Ответ:
9514 1404 393
Step-by-step explanation:
The line to the upper left has a slope of -1. If it were extended, it would intersect the y-axis at y=3, so its equation is ...
y = -x +3
The line to the upper right has a slope of +1 and a y-intercept of 4, so its equation is ...
y = x + 4
At x=-2, the function is defined as -2.
So, the piecewise definition is ...
Ответ:
John is correct. Solution of the system of equations will be the empty set.
Step-by-step explanation:
Equations of the system of two lines are,
y = 3x - 2 --------(1)
6x - 2y = 4
(6x - 2y) - 6x = 4 - 6x
-2y = 4 - 6x
2y = 6x - 4
y = 3x - 2 -------(2)
We have to solve these equations for the solutions.But the equations are same so there will be no solution.
Therefore, John is correct. Solution of the system of equations will be an empty set.