Precalculus Problems Pdf

[Niklas Terki]

Idislike modern textbooks; their cookie-cutter approach and appearance, over reliance on breaking things down into little boxes, the general spoon-feeding they engender and most of all the poor exposition (in my opinion). I feel that reading a mathematics text is a skill in itself, a skill that becomes lost if one subsists on these "modern" books and the bite-sized morsels of knowledge they impart.

I'm in need of a thorough and dry pre-calculus text that will prove worthwhile to work through. I'm not looking for a laundry of list of definitions and theorems. I want as much rigour as a textbook at this level can allow, however not at the expense of clarity.

But the book I still treasure and hold close is one named "Elements of Pure Mathematics by S Nadarasar". Written in the 50's. It's a Sri Lankan book and very rare even here. They don't print the original English version anymore - only the translation. So this is of no use to you since you can't get a hold of it but I owe a lot to this text and not mentioning it on this thread would be a crime.

As dry, old and rigorous as it gets "Advanced Mathematics Precalculus with discrete mathematics and data analysis." It's what I had in High School, although I had a modern textbook as a suppliment. There might be newer versions out, but I assume you want the older ones.

I think you will probably like any of the introductory books by Rey Pastor. The issue there is that he was Spanish, so you won't probably be able to find a book by him in English. I have the three volumes of his Calculus course, and it's the most comprehensive book I've ever seen on the subject.

A book I like that has a small introduction including some pre-calculus concepts is Calculus by Tom Apostol. I'm not sure if that's what you're looking for, I suppose you're looking for a complete book on the subject.

It includes nearly 1000 problems, ranging from routine exercises to extremely challenging problems drawn from major mathematics competitions such as the American Invitational Mathematics Exam and the USA Mathematical Olympiad. Almost half of the problems have full, detailed solutions in the text, and the rest have full solutions in the accompanying Solutions Manual.

As with all of the books in Art of Problem Solving's Introduction and Intermediate series, Precalculus is structured to inspire the reader to explore and develop new ideas. Each section starts with problems, so the student has a chance to solve them without help before proceeding. The text then includes solutions to these problems, through which new techniques are taught. Important facts and powerful problem solving approaches are highlighted throughout the text.

I was reading an online article and the author mentioned I should come here and get some advice. I'm 17, currently taking Pre-Calc in high schooling doing really good, but I feel like I'm not getting the most out of it. The teacher feels like he's more interested in covering chapters than getting us to understand things deeply and that worries me. The article says:

Try to find a book where the author treats you as the intelligent, independent person you are, not as someone who has to take a course for a degree requirement...go to some math forums (like Math Overflow) and ask for book recommendations, telling them you want to become good at math and not just pass a required course; give them specific details and they can help find a book perfect for you.

So yeah asked on Math Overflow and was suggested to come here. I want to get better at math and really understand the concepts deeply and appreciate it like it was intended to. Any help I can get will be appreciated. Thanks!

The series of books Algebra, Functions and Graphs, Trigonometry, and The Method of Coordinates by I. M. Gelfand and various co-authors is an excellent way to supplement a pre-calculus course. The books were written for advanced high school students taking correspondence courses with professors in the Soviet Union and are available in English translation. The books are clearly written, supplement topics found in the typical pre-calculus text, and provide challenging problems.

Another good source is a series of Japanese books edited by Kunihiko Kodaira. They include Mathematics I: Japanese Grade 10, Basic Analysis: Japanese Grade 11, and Algebra and Geometry: Japanese Grade 11. These books are also available in English translation. The grade 10 book is for a required course roughly equivalent to pre-calculus. Regular track students then take a course based on Mathematics II: Japanese grade 11. Mathematically inclined students take courses based on both the Algebra and Geometry and Basic Analysis texts. The texts are a good source of challenging problems and contain material that will supplement what you would learn in a pre-calculus course.

I'm considerably older than you and failed miserably at math in high school so this may not apply to your case, but I found "Precalculus Mathematics in a Nutshell" by George F. Simmons to be a fantastic encapsulation of pre-calc topics when studying math as an adult. He really boils it down to the essentials. E.g. here's how he opens his chapter on Trig:

Most trigonometry textbooks have been written by people who appear to believe that the importance of the subject lies in its applications to surveying and navigation. Even though very few people become surveyors or navigators, the students who study these books are expected to undertake many lengthy calculations about the heights of flagpoles, the widths of rivers and the positions of ships at sea.

The truth is that the primary importance of trigonometry lies in a completely different direction - in the mathematical description of vibrations, rotations, and periodic phenomena of all kinds, including light, sound, alternating currents and the orbits of the planets around the sun. What matters most in the subject is not making computations about triangles, but grasping the trigonometric functions as indispensable tools in science, engineering and higher mathematics. These functions and their properties are the sole subject matter of this chapter.

I can recommend the Precalculus volume of a series called the CME Project. It's a high school textbook written by a team of thoughtful and savvy mathematicians. It works to make connections between topics, emphasizes making use of structure in calculation, and builds generalizations from concrete cases. It's a "habits of mind" approach that focuses on mathematical thinking and not just rote processes. I think you'll find in this book what is lacking from your class. Enjoy!

there is a series of books written by gelfand and shen, i believe, is very nice. in particular used on of their books called algebra. it teaches you mainly through solving lots and lots of problems. i don't have at hand but it has hundreds of problems.

"Pre-calculus" is not a subject that exists for any intellectually legitimate reason. So my suggestion would be either to simply start learning calculus or to explore wider mathematical horizons, for instance, number theory.

For calculus, practically the only modern book that treats the reader as a reader, let alone as an "intelligent, independent person," is Michael Spivak's Calculus. This requires no previous knowledge of the material of precalculus-in fact, Spivak will start much farther back, and you won't even define such functions as $e^x$ and $\sin$ until well into the book (of course, in your current course, these functions were never properly defined at all.) That said, you will almost certainly find his problems an order of magnitude more challenging than what you've seen 'till now, but the solutions manual is readily available, and, of course, so are the members of this site!

I don't have any particularly specific suggestions for number theory, but there are several Dover books with titles like "elementary number theory" with good reviews (stay away from "analytic" or "algebraic" number theory for now.) The great thing about Dover books is you can buy three for half the price of an ordinary book and compare. Best of luck!

This is a question I've had a lot of trouble with. I HAVE solved it, however, with a lot of trouble and with an extremely ugly calculation. So I want to ask you guys (who are probably more 'mathematically-minded' so to say) how you would solve this. Keep in mind that you shouldn't use too advanced stuff, no differential equations or similair things learned in college:

First off, I got $[f_p(x)]'$. This was EXTREMELY troublesome, and is the main reason why I found this problem challenging, because of all the steps. Can you guys show me the easiest and especially quickest way to get this derivative?

After you get p it is pretty straightforward. I know this might sound like a weird question, but it basically boils down to: I need quicker and easier ways to do this. I don't want to make careless mistakes, but because the length of these types of question, it ALWAYS happens. Any tips or tricks regarding this topic in general would be much appreciated too.

By "touches" I assume you mean that the line is tangent to the graph of $f_p$. You can try implicit differentiation. Start with $$ y = \frac9\sqrtx^2 + px^2 + 2. $$Multiply by $x^2 + 2$ to get$$ y(x^2 + 2) = 9\sqrtx^2 + p. $$Squaring, you get$$ y^2 (x^2 + 2)^2 = 81 (x^2 + p). $$Differentiate both sides implicitly by $x$:$$ 2yy'(x^2 + 2)^2 + y^2 2 (x^2 + 2) 2x = 162x. $$Now, plug in all the data ($x = -1$, $y'(-1) = 2.5$) to get a quadratic equation for $y(-1) = y$:$$ -12y^2 + 45y = -162. $$Solutions are $y = 6$ and $y = \frac-94$, but notice your function is always positive, so $y(-1) = 6$ and the line is $2.5x + 8.5$.

I note the "$x^2 + \textsomething$" term in both the numerator and denominator. We can use that as a good starting point, and break up the problem in pieces using this term as the basic building block:

This seems more managable to me. The key for derivatives, and later on calculus if you learn that, is trying to break things into more manageable pieces. We can pretty much ignore the 9 in the equation, so let's try to write this equation even more simply:

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