Calculus Q&A Library In my precalculus class we are learning how to do long and synthetic division of polynomials by hand. But ever since we've gone into relative extrema, I've gone downhill, now we are doing integrals and area under curves and I don't understand the concept at first, but get it hours later.. ... Andres Arboleda is the Pre Calculus teacher and he thinks that people that fail or have a really hard time with his class, because they don’t have the dedication for it. I have been having a seriously difficult time in precalculus. I pay attention during the lectures, I take notes, I even go to tutoring, but when it's time to actually work something out, I just can't. Kai can provide tips and support as you research and apply to colleges, and explore majors and careers. So, I decided to find out for myself which Calculus class is the hardest. Math 54 (4th Grade) Math 65 (5th Grade) Math 76 (6th Grade) Math 87 (Pre-algebra) Algebra 1/2 (Optional) Algebra 1 ; Algebra 2 (Includes Geometry) Precalculus | Sullivan, Michael | ISBN: 9780321717634 | Kostenloser Versand für alle Bücher mit Versand und Verkauf duch Amazon. Struggling with calculus 3. I haven't read it yet though, so I can't say how helpful it is for students.