What is (f + g)(x)?
f(x) = 3x ?
g(x) = x² + 8x

Which expressions are equivalent to -6 + 3m

Which function has the domain x> -11

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%