What system of linear inequalities is shown in the graph?

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The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)