Consider the function h(x)=x2−2x+3,x∈ℝ. For what values of x is the gradient of the curve of h(x) negative?

#1
x≤1

#2
x<1

#3
x≤2

#4
x>1

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%