alexprice1080 alexprice1080
  • 02-04-2022
  • Mathematics
contestada

NEED HELP!
What is the zero of the function?
f (x) = x2+x-42/x2+3x-28
Enter your answer in the box.

NEED HELP What is the zero of the function f x x2x42x23x28 Enter your answer in the box class=

Respuesta :

jdoe0001 jdoe0001
  • 02-04-2022

[tex]f(x)=\cfrac{x^2+x-42}{x^2+3x-28}\implies \stackrel{f(x)}{0}=\cfrac{x^2+x-42}{x^2+3x-28}\implies 0 = x^2+x-42 \\\\\\ 0=(x+7)(x-6)\implies x= \begin{cases} 6\\ -7 \end{cases}[/tex]

Answer Link
wimab46
wimab46 wimab46
  • 02-04-2022
x
≈
−
6.3630657
,
−
1.38899554
,
4.75206125
Answer Link

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