F(x)= x^2 + 10f(x)=x 2
+10f, left parenthesis, x, right parenthesis, equals, x, squared, plus, 10
Over which interval does fff have a positive average rate of change?
Choose 1
Choose 1

(Choice A)
A
[-3,3][−3,3]open bracket, minus, 3, comma, 3, close bracket

(Choice B)
B
[-4,-1][−4,−1]open bracket, minus, 4, comma, minus, 1, close bracket

(Choice C)
C
[-3,1][−3,1]open bracket, minus, 3, comma, 1, close bracket

(Choice D)
D
[-1,2][−1,2]