Give an example of a piecewise function

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?