If you've taken Calculus I please help !!
Why sqrt(4) is not +-2?
An Interesting Algebra Problem
A function is periodic with a period of 11. If f(3) = 8 and f(9) = 14, find f(-24).
How do I solve a system of 1 linear and 1 exponential equation algebraically?
[High school combinatorics] Help me visualize and understand this exercise better
[Real Analysis] Subset Proof