Pls help with these questions. Thanks a lot :)

6 Find the derivative of the following functions. Do NOT Simplify your answer a f (x ) = in( 5x ) - 5x4 42 - 9 b ) gbc ) = ( 3x +8 )15 e - 30 8 ) A ball is thrown vertically upward from the ground at a velocity of 70 feet per second . It's distance from the grind after 1 second is given by sit ) = - 16t 2 + 70t- a ) Find the average rate between Is $ its 6) How fast is the ball moving 3 Seconds after being thrown? 13) Find G' ( x ) G ( x ) = Jo ts In ( t ) dt 10 ) The Percent of concentration of a certain drug in the bloodstream X hours after the dreg is administered Is given by K (2 ) = 3x . At what time is the Concentration a maximum