Question

URGENT
The depth of water in a tank is changing. The depth after m minutes is k cm, where k= 150 - 4m. How much does the depth change each minute?

Answer 1

3748√66885566 *1599992% 5-78/π{{{{™=√

Step-by-step explanation:

b

Answer 2

Answer: -4 cm

Explanation:

Value of k at 0 minutes = 150 - 4×0 = 150

Value of k at m minutes = 150 - 4m

Rate of change of k with time (minutes)

$=\frac{(150 - 4m)-150}{m} = \frac{-4m}{m} = -4$

Hope it helped