( 1 ) A pizza removed from the oven has a O temperature of 450 F. It is left in a room that has a temperature of 70 F. After 5 minutes the temperature of the pizza is 30 0 F. ( a ) Use Newton's law of Cooling to find a model for the temperature of the pizza, T after t minutes.( b) What is the temperature of the pizza after 20 minutes ? ( c ) When will the temperature of the pizza . be 140 F ?50 0 0 0 0 (2 ) The function f( t ) = - 0'92+ 1+ 2499 e models the number of people, f(t ), in a city who have become ill with influenza t weeks after its initial out break.( a) How many people became ill with the flu when the epidemic began? ( b ) How many people were Ill by the end of the sixth week? (c ) what is the limiting size of fit ) the population that becomes ill(3 ) Suppose that you have booo dollars to invest . Which investment yields the 0 greater return over 4 years : 8. 25/ compounded quarterly or 8:3/ Compounded semiannually?(4 ) Solve the following equations: X ( a ) 10 8:07 X 5 17 X e 0. 83(5 ) Determine the amplitude and period of the function 4 los 2 X . Then graph one period of the function. 6 ) If sin t = I and o