Section+1.1

Thanks for the answers Kate and Anna || Student Feedback || Teacher Feedback || a product of real numbers is zero if and only if at least one of the factors in the product is zero. So, no, every factor in the product is not zero. ||  || Correct || accurate predictions, for example, no one has devised a successful formula for predicting the ups and downs of the stock market. ||  || Correct - Nice counterexample! ||
 * Student Answers
 * 55. The zero factor property states that
 * 56. Not all models can be used to make
 * 57. c ||  || Correct ||
 * 58. e ||  || Correct ||
 * 59. b ||  || Correct ||
 * 60. a ||  || Correct ||