Which choice is the derivative of y= ( 4x + 1 )2 (1- x ) 3 2✓x io. y=~ 1-x 2 a) (4x+1)2{1-x)2{5-20 x) b) ( 4x + 1 )(1-x )2 ( 4x + 11) c) 5( 4x + 1)(1-x ) 2 (1-4x) d) (4x+l)(l-x}2(11-20 x) y) -24(4x+l)(l-x)2

Avery has saved $295 to spend on christmas gifts for 11 people. which is the best estimate of the amount he can spend for each person?

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )