The graph of a function f(x) passes through the following points: (0,2), (1.0).(-1,0) Which of the following could be f(x)? Of(x) = 2x + 2 Of(x) = - 2x + 2 O f(x) = -28%+2 O f(x) = – 2x² + 2

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Someone me what is the area of this figure? 18m 18m 8m 16m

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?