3 Answered Questions for the topic Algebra precalculus

Algebra Precalculus Calculus Big List


Interesting calculus problems of medium difficulty?

I would like to know sources, and examples of good "challenge" problems for students who have studied pre-calculus and some calculus. (differentiation and the very basics of integration.) Topics... more
Algebra Precalculus Calculus Trigonometry Inequality


Variation on Pythagoras: If $a^2 + b^2 = c^2$, then $a + b \\leq c\\sqrt{2}$?

This is a very interesting word problem that I came across in an old textbook of mine. So I know its got something to do with derivative of the Pythagorean Theorem using calculus, trigonometry,... more
Algebra Precalculus Calculus Limits Applications


What is a simple example of a limit in the real world?

This morning, I read Wikipedia's informal definition of a limit: > Informally, a function f assigns an output $f(x)$ to every input $x$. The > function has a limit $L$ at an input $p$ if... more

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