Question 17 of 25 If f(x) = 3x+ 5 and g(x) = -2x - 5x+ 3, find (f + g)(x).
O A. (f+ g)(x) = -2x+8
O B. (f+ g)(x) = -2x2 + 8x + 8
O C. (f+ 9)(x) = -2x2 - 2x + 8
OD. (f+ g)(x) = - 4x + 8
SUBMIT

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%

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