What is the domain of 10-9v ?

The domain of 10-9v is -infinity <v<infinity

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domain of 10-9v

domain

10 - 9 v

- \infty < v < \infty

Interval Notation

(- \infty, \infty)

Solution steps

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

- \infty < v < \infty

x + 7 + x - 7

f (x) = \frac{1}{t + 1}

f (x) = \frac{- 7}{2} (5)^{x - 2} + 1

f (x) = \frac{- x ^{2} - 2 x + 20}{x + 5}

\frac{( 4 x ^{2} + 28 x + 40 )}{x + 5}