F(x)=x^2−x−1

over which interval does fff 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

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.