garydesir1 garydesir1

17-02-2019
Mathematics

contestada

Hello there!

Can I get help with #2 and #4? I can do the rest.

Please show your work. Thanks!

Hello there Can I get help with 2 and 4 I can do the rest Please show your work Thanks class=

Respuesta :

17-02-2019

2. f(x) = x - 2x² - 5 + 10x

=-2x² + 8x - 5

f'(x)= -4x + 8

4. y = 100(45x - 30 - 3x³ + 2x²)

= 100(-3x³ + 2x² + 45x -30)

= -300x³ + 200x² + 4500x - 3000

y' = -900x² + 400x + 4500

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