What is the domain of 2t ?

The domain of 2t is -infinity <t<infinity

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domain of 2t

domain

2 t

- \infty < t < \infty

Interval Notation

(- \infty, \infty)

Solution steps

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

- \infty < t < \infty

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

f (x) = \frac{1}{2} (- 4 x + 20)^{2} - 3

f (x) = (x + 8)^{2} - 3

f (x) = - \frac{4 x ^{2}}{3} + 55 x

9 - x^{3}