What is the domain of f(n)=(n^2+2n-24)/(n^2-11n+28) ?

The domain of f(n)=(n^2+2n-24)/(n^2-11n+28) is n 7

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domain of f(n)=(n^2+2n-24)/(n^2-11n+28)

domain

f (n) = \frac{n ^{2} + 2 n - 24}{n ^{2} - 11 n + 28}

n < 4 or 4 < n < 7 or n > 7

Interval Notation

(- \infty, 4) \cup (4, 7) \cup (7, \infty)

Solution steps

Find undefined (singularity) points:

n = 7, n = 4

The function domain

n < 4 or 4 < n < 7 or n > 7

3 x + 4 = 9 x + 3

2 y^{2} - 17 y = - 35

a^{7} + b^{7}

\frac{0.682 - 0.48}{0.02212}

\frac{3}{x ^{2}} - \frac{x}{2 y}

What is the domain of f(n)=(n^2+2n-24)/(n^2-11n+28) ?
The domain of f(n)=(n^2+2n-24)/(n^2-11n+28) is n<4\lor 4<n<7\lor n>7