as it is written, the biggest doll is 7 inches tall, and they told you to decrease 1 inch after every doll, so therefore you can decrease 1 inch 7 times; so the answer is 7,6,5,4,3,2,1
B. The statement is true because if the degree of the numerator of a rational function equals the degree of the denominator, then the rational function has a horizontal asymptote that is equal to the ratio of the leading coefficients.