QUESTION B11 A vase with a circular cross-section is shown in Figure 1. Water is flowing into the vase. When the depth of the water is h cm, the volume of the water V cm³ is given by: V = 4th? +...

Extracted text: QUESTION B11 A vase with a circular cross-section is shown in Figure 1. Water is flowing into the vase. When the depth of the water is h cm, the volume of the water V cm³ is given by: V = 4th? + 16xth, h cm 0shs 25 Water flows into the vase at a constant rate of 80n cm's-1. Find Figure 1 the rate of change of the depth of the water, in cms-1, when h = 6 %3D А. 1.5 ст/s В. О.8 ст/s С. 1.2 ст/s D. 2.2cm/s