Please I need help with these 2 questions..

I need the answer to be very easy to understand (the hand writing very clear Please and Thank you)

First Principles 1) Use the first principles definition to determine the derivative for each function. a) y = 8x b) y= 3x2 - 2x () y=7-x2 d) y = x(4x + 5) e) y= (2x- 1)2 2) Use the first principles definition to differentiate each function. i) y HIN ii) y = - X iii) y = HIW 4 iv) y = 3x