The Albert Team

Volumes created by slicing a region and stacking the slices appear often on the AP® … Read more

Cross-sectional solids appear in almost every AP® Calculus free-response set. These solids are built by … Read more

The AP® exams love questions about the area between 2 graphs. These problems appear on … Read more

Shaded regions pop up everywhere—textbook graphs, AP® free-response problems, and even window designs. Therefore, understanding … Read more

Ever shaded the space between two curves on a graph and wondered exactly how much … Read more

Net change seems fancy, yet it answers everyday “before vs. after” questions. In AP® Calculus, … Read more

Picture a skateboarder rolling along a straight sidewalk. First, the board glides east 4 meters, … Read more

Slope fields look mysterious at first, yet they show up in multiple-choice and free-response questions … Read more

On the AP® Calculus exam, slope fields often appear in both multiple-choice and free-response questions. … Read more

Understanding the properties of the definite integral turns long AP® Calculus questions into short, confident … Read more