Question 18 of 34 13 E View Policies Current Attempt in Progress The figure below shows / - /(1), the number of farms in the US' between 1930 and 2000 as a function of year, I. millions of farms * (year) 1930 1950 1970 1940 (a) isf'(1960) positive or negative? What does this tell you about the number of farms? S'(1960) is That means that the number of farms in the US was in 1960. (b) Which is more negative: /'(1960) or f'(1980)? Awww.nass.usda.gov:81/ipedb/farmnum.htm, accessed April 11, 2005. Save for Later Attempts: 0 of 1 used Submit Answer\fQuestion 19 of 34 - 13 8 : View Policies Current Attempt in Progress The graph of [(r) is shown below, Select the correct graph of /' (r). O