The revenue R you receive for selling pizza slices depends on the price p that you charge per slice and is modeled by R = -16p2 + 80p + 5. What is the domain of this function? A) p ≥ 0
B) all real numbers
C) 0 ≤ p ≤ 5.06
D) 2.5 ≤ p ≤ 105