Evaluate the expression when
b=3 and x=-4
-4b+x?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Which of the following graphs could represent a cubic function?