F(x)=x^2−x−1

over which interval does f have an average rate of change of zero?

choose 1

(choice a)

2≤x≤3

(choice b)

−3≤x≤−2

(choice c)

−1≤x≤2

(choice d)

−5≤x≤5

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)