lz54428 lz54428

17-12-2021
Mathematics

contestada

please explain how to do this

please explain how to do this class=

Respuesta :

lynnkc2000 lynnkc2000

17-12-2021

Answer:

min y = 1

Step-by-step explanation:

f(x) = 2x² - 8x + 9

leading coefficient is positive, parabola results an UPWARD opening.

It has a minimum point

f'(x) = 4x - 8

4x - 8 = 0

x = 2

y = 2*4 - 8*2 + 9 = 1

extreme is (2,1)

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