Student a and student b were given the following graph and asked to find the value of f (x) when x=1. student a gave an answer of 0 while student b gave an answer of -2. who is incorrect?

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.