What is the domain of y=x-1 ?

The domain of y=x-1 is -infinity <x<infinity

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domain of y=x-1

domain

y = x - 1

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

s l o p e in t erce pt - 3

d o main f (x) = \frac{x + 4}{x + 1}

d i s t an ce (1, - 6), (- 1, - 3)

in f l ec t i o n 3 x^{4} - 24 x^{3} + 48 x^{2}

mi d p o in t (6, - 7), (6, 3)