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f(x)=x^2-6x-16 What is the y-intercept, minimum or maximum, domain,range, roots, positive interneval, negative interneval

Plz help

Respuesta :

Y-intercept: (0,-16)
Minimum: (3,-25)
Domain:
[tex]( - \infty \: comma \: + \infty )[/tex]
Range:
[tex]( - 25 \: comma \: + \infty )[/tex]
Roots: (-2,0) and (8,0)
Negative interval:
[tex]( - \infty \: comma \: 3)[/tex]
Positive interval:
[tex](3 \: comma \: + \infty )[/tex]

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