leslieb10320 leslieb10320
  • 14-02-2020
  • Mathematics
contestada

what is the interval of increase and decrease of f(x)= (x-4)^2 -1

what is the interval of increase and decrease of fx x42 1 class=

Respuesta :

bubblerose2005
bubblerose2005 bubblerose2005
  • 14-02-2020

Answer:

(−∞,4)

Step-by-step explanation:

Explanation:

To determine the interval that f(x) is increasing.

increasing when f'(x)>0f'(x)=−2(x−4)← using chain rule

solve −2(x−4)>0

⇒−2x+8>0

⇒x<4

interval is (−∞,4)

graph{-(x-4)^2-3 [-8.89, 8.89, -4.445, 4.44]}

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