What is the polynomial function of lowest degree with lead coefficient 1 and roots i, –2, and 2?

a. f(x)=x^3-x^2-4x+4
b. f(x)=x^4-3x^2-4
c. f(x)=x^4+3x^2-4
d. f(x)=x^3+x^2-4x-4

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms