G(x)=− 4
x
2

​
+7g, left parenthesis, x, right parenthesis, equals, minus, start fraction, x, squared, divided by, 4, end fraction, plus, 7
Over which interval does ggg have a negative average rate of change?
Choose 1
Choose 1

(Choice A)
A
[0,4][0,4]open bracket, 0, comma, 4, close bracket

(Choice B)
B
[-2,0][−2,0]open bracket, minus, 2, comma, 0, close bracket

(Choice C)
C
[-4,-2][−4,−2]open bracket, minus, 4, comma, minus, 2, close bracket

(Choice D)
D
[-8,-4][−8,−4]

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.