Find the domain and range of the function. f(x) = -5 cos x
Domain: (-00, 0]; range: (-00,00)
b. Domain: (-00, 0); range: (-0, 0]
C.
a.
Domain: (-0, ,0); range: (-5, 0]
Domain: (-5,0]; range: (-0, co)
d.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)