Math for Kids/Experts

Recent Answers

2009-11-15 Algebra:

Debby, Good question. A useful real-world application has to do with a falling object. Consider a ball that is thrown downward from a certain height. Its downward speed, s, is a linear function

2009-11-12 ap calculus ab:

Asad, Here are my solutions. In case any of my solutions seem confusing, please feel free to follow up, and I will support my answers with descriptions of the graphs...Unfortunately, I cannot draw

2009-11-10 ap calculus ab:

Asad, Good questions. Here are my solutions: 19. I would multiply the numerators and denominators out for simplicity. Otherwise, you'd have to use the product rule twice, and then the quotient

2009-11-08 ap calculus ab:

Asad, My sincerest apologies. Now you see what happens when I answer questions at 3am! :) For number 16, I think my answer is still correct. Instead of using the "-1" exponent, I simply treated

2009-11-08 ap calculus ab:

Asad, Here are my solutions: For many of these problems, we must recall the quotient rule. The quotient rule says that if we have two functions of "x" (say, f(x) and g(x)), then the derivative of