Which statement best describes the function below? f(x) = 2x3 + 212
1
A. It is not a function,
B. It is a many-to-one function,
0 OOO
C. It fails the vertical line test.
D. It is a one-to-one function!

Solve for x where 0 equation: cot^2x+2cotx+1=0

How do i simply this radical expression?

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.