6 for x < -4
for – 4 < x < 0
f(x) =
3x - 6
2
4
for
2 > 0
Find f(0)

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%