Given f(x) = 3x - 1, find f(2).
a)2
b)1
c)5
d)4
HELP

Which statements regarding efg are true? check all that apply.

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%

Can someone tell me if this is perpendicular? !