Your body needs to make large molecules such as enzymes (proteins), body fat (lipids) and DNA (nucleic acids) to function properly. Where does your body get the elements to
make these large molecules?

You can get them either from your DNA from your parents and you also get them through the food that you eat.

Explanation:

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15