devilrao2410 devilrao2410
  • 21-12-2021
  • Biology
contestada

f(x)=(7x-2)(5x-8)(x+5)(x-6) has zeros at x=-5, x=2/7, x=8/5, and x=6.


What is the sign of f on the interval -5

Choose 1 answer:

(A) f is always positive on the interval.

(B) f is always negative on the interval.

(C) f is sometimes positive and sometimes negative on the interval.

Respuesta :

laylaskewl laylaskewl
  • 31-12-2021

Answer: always negative) :p

Explanation: khan :)

Answer Link

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