The value of gold in the year 2010 was approximately $1,800. The value of gold increases by approximately 9.5% a year. Which function models the value of gold in the year that is x years since 2010?

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.