4000x The polynomial function defined by f x x 10xx can be used to find the depth that a ball 20 cm in diameter sinks in water The constant d is the density of the ball where the density of water is 1 The smallest positive zero of fix equals the depth that the ball sinks Approximate this depth for each material and interpret the results a A wooden ball with d 0 9 b A solid aluminum ball with d 22 e A spherical water balloon with d 1 a Select the correct choice below and fill in any answer boxes in your choice OA The depth is Type an integer or decimal rounded to the nearest hundredth as needed OB The answer is undefined