Find the volume of the conical paper cup. The radius is 3, and the height is 7. (A) 49π (B) 21π (C) 7π (D) 63π PEASE HELP, WILL GIVE BRAINLIEST

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6