Pleaseee helppp Which of the following functions is graphed below? 15
10
O
5
-8
-6 -4 -20
2.
4
6
8
5
A. y =
[x² – 3, x<2
1x2 + 6, x2 2
B. y =
[x - 3, x>2
1x2 +6, 2
C. y =
[x - 3, x<2
1x2 +6, x5 2
D. y =
(x - 3,xs 2
1x2 +6. x > 2

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.

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?