What is the domain of-(21)/((4+x)^2) ?

The domain of-(21)/((4+x)^2) is x -4

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domain of-(21)/((4+x)^2)

domain

- \frac{21}{( 4 + x ) ^{2}}

x < - 4 or x > - 4

Interval Notation

(- \infty, - 4) \cup (- 4, \infty)

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

\frac{1}{2} (x + 3)

y = x^{2} + 5

y = x^{2} + 7

x^{2} - 8 x + 15

f (x) = \frac{1}{x ^{2} + 3 x - 4}

What is the domain of-(21)/((4+x)^2) ?
The domain of-(21)/((4+x)^2) is x<-4\lor x>-4