The book “The Rational Optimist: How Prosperity Evolves” by Matt Ridley explores the idea that humans are inherently optimistic and that this optimism has played a significant role in shaping our history and progress. Ridley argues that exchange and specialization are the drivi...
We know that in the dominator, the x can't be -6 or -4 because the dominator mustn't be zero. And -6 and -4 makes discontinuities of the function.
Further more, we could CANCEL OUT (x+4) from both numerator and dominato...
