Helping students gain understanding and self-confidence in algebra.
Whist34 wrote:1) It seems like many sites regard growth as an increase in y instead of an increase in the rate of change. Does y have to increase for there to be exponential growth? Alternatively does y have to decrease for there to be exponential decay?
Whist34 wrote:2) Should a be limited to a > 0 by definition for growth and decay?
Whist34 wrote:3) If I am wrong and exponential growth is indeed as x increases so does y, then would y = -3(0.5)x be growth and y = -3(1.2)x be decay?