The management of an amusement park wanted to coaster. The following data represents a random sa
12, 17, 5, 13, 12, 7, 10, 8, 7
What is the standard deviation? Round your answer
a
1.3 minutes
4.0 minutes
С
3.5 minutes
d
3.8 minutes

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.