Number twelve answekey says it is b

A) -0.248 B) 0.351 C) 0.500 D) 0.693 E) 0.718 12 Find the volume of the solid generated when the region bounded by the y-axis, y = ex ,and y = 2 is rotated around the y-axis. A) 0.296 B) 0.592 C) 2.427 D) 3.998 E) 27.577 13 If y is a differentiable function of x, then the slope of the curve of xy - 2y+4y' = 6 at the point where 5 11