Which equation could possibly represent the graphed function? A.
f(x) = (x − 4)(x + 2)(x + 4)
B.
f(x) = (x − 4)2(x − 2)
C.
f(x) = (x + 4)2(x + 2)
D.
f(x) = (x − 4)(x − 2)(x + 4)

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Interpret the following expression (5y^2-7)^3/(2y)^2

Rounded to the nearest tenth, what is the value of x