number 12 please 10 a Evaluate and terpret fo b Find and in

number 12 please

-10 \' (a) Evaluate and terpret fo- b) Find and interpeet all solution Problems fon 12.00 12. Write a possible formula for the graph in Figure 9.26 a minimum of 40 megawa of power.) By noon the c mum power midnight it once again r This pattern repeats eve mula for fit), the powe City A as a function of Figure 9.26 (b) The power requiremer 13. Find formulas for each of the following populations. differ from those of Ci night, g(t) = 8 (a) In year t=0, this population of5000 began growing at the rate of 300 per year Give the amplitude a ian of 3200 began growing ical interpretation o d find all

Solution

Possible formula = 3.sin(2t).e^-t/10

since it is moving like sinusoidally and decaying exponentially it can be written as product of two functions