Use addition to solve the linear system of equations. include all of your work in your final answer. -x - y = 7 x + 2y = 7\ answwr correctly pickle ricks

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

What is the the greatest common factor ?