Question

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

Plz help

Answer 1

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