f(x) dr = -2. f (x) di = 12, and g (x) dr = 5. (a) of (x) dr = Number 3 [b) f (x) dr = Number (c) (f (x) - g(x)) dr = Number 6 (d) (3f (x) + 4g (x)) dx NumberCalculate the derivative 121 In (t) dt using Part 2 of the Fundamental Theorem of Calculus. Enclose arguments of functions in parentheses. For example. sin (21). sin (a) 12r d 4 In (t)dt =Calculate the derivative using Part 2 of the Fundamental Theorem of Calculus. sin (a)