Which statement best describes the function below? f(x) = 2x2 + 2x2 - 4
O A. It fails the vertical line test.
O B. It is a one-to-one function.
O C. It is a many-to-one function.
O D. It is not a function.

Anyone know? is appreciated! will mark brainliest if correct!

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.