How an ordered pair represents a point on a coordinate plant include the terms x-coordinate wild coordinates and original in your answer

Which of the following is the shape of a cross section of the figure shown below

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

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