Rate of Change. The number of patients admitted at a local hospital between January (t = 0) and December (t = 11) of 2011 is given by the function N(t) = (3.3 t + 1.1)(2.5 t - 0.87)2 How fast was the number of patients changing in September 2011? Note: Enter your solution as a decimal rounded to four (4) decimal places without units.10. TANAPCALCBR1 O 3.5.030. Acceleration of a Car The distance 5 (in feet) covered by a car I seconds after starting is given by the following function. 3=7r3+4t2+21t (0 srg) Find a general expression for the car's acceleration (in /sec3) at any time t (0 g t S 6). 5"(t) : At what time t (in sec) does the car begin to decelerate? (Round your answer to one decimal place.) ASK YOUR TEACHER