This is for calculus I will make u brainliest if u got the best answers to all three parts Please solve each part and show work for all parts thank you

D) the x-intercept represents adam's commission pay when he had zero total sales

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .