differntial calculus please answer the following questions and only do the working out keep explanation seperate 12.13

Exercise 9D Finding derivatives by rule WE9 Differentiate each of the following. a y= x by = 7x2 c y= 5x + 2 d y =4x4+2x2 - 5x 2 Find if y is: dx a 3x4 b 8x7 c 5x5 d -4x6 e -2x3 f -7x. 3 7 Match the correct derivative from the set A to G below to each of the following. a x8 b x4+x2 c 2x3 - 4x + 7 d x2 + 6x - 5 e x4+ 2x3 - 3 f x +6x3- 4x g xP A 5x* + 18x2 - 4 B 4x3+ 2x C px P -1 D 8x7 E 6.x2 - 4 F 2x + 6 G 4x3 + 6x2