The speed limit on a British motorway is 70 mph. Pierre's French car only shows km/h on the speedometer. If this speedometer reads 120 km/h is he speeding?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.