Water is being drained from a reservoir at the rate of w(t) cubic meters per minute at time t. What does the area under the graph of w over the interval t ∈ [0,30] represent? (Please answer in two sentences or less.)

12. Evaluate " |4x – 4|dx a) Graph the function b) Find the area

11) A cam is designed with a lens that is described as the following area between two curves: а+ +b. Units are in cm. The red top curve is f(x) = x3 - 2x2-x+2 The blue bottom curve is g(x) = x² - 1 Find the area in cm²

the height of the tide in meters at a particular habour can be modelled by sinusoidal function  d=3sin(0.52t+0.75)+7 where is t is time ,in hours after midnight on a particular day. to the nearest hundredth the earliest time after midnight on that day that the highest of the tide is at its minimum depth is