The following formula is incorrect for compound interest with the symbols defined this way, can someone tell me why?
Compound Interest is described by A = P(1+rm)^n,...

Can you think of one real-world example of when the concept of functions might be useful? Do you think you will ever use functions in your life to solve problems? If yes, explain how and why; if no,...

Consider the quadratic function f(x)=-2x2+2x+4
a) Express f(x) in standard form
b) Find its vertex and indicate if it is the maximum or the minimum of f

I am in 8th grade and we are sutdying quadratic functions. How do you graph quadratic equations? How do you find the vertex, x intercepts, y intercept, axis of symmetry, without using a graphing calculator...