What is the domain of f(a)=(a^2+2a-3)/(a+3) ?

The domain of f(a)=(a^2+2a-3)/(a+3) is a -3

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domain of f(a)=(a^2+2a-3)/(a+3)

domain

f (a) = \frac{a ^{2} + 2 a - 3}{a + 3}

a < - 3 or a > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

a = - 3

The function domain

a < - 3 or a > - 3

(3 x + 5 y)^{2}

\frac{sin ^{2} ( x )}{sin ( x )}

\frac{27}{8}

(\frac{7}{3} a - b) (\frac{7}{3} a + b)

\frac{π}{2} - \frac{π}{6}

What is the domain of f(a)=(a^2+2a-3)/(a+3) ?
The domain of f(a)=(a^2+2a-3)/(a+3) is a<-3\lor a>-3