Mathematics: There are only red and blue cards in a box. The probability of choosing a red und in the box at random is one third. If there are 246 blue cards, how many cards are in the box?

There are only red and blue cards in a box. The

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27.01.2021

The correct option is 4. The domain of the function are all real numbers greater than or equal to –3.

Step-by-step explanation:

Domain is the set of all possible inputs or x-values, for which the given function is defined.

The given graph is defined form -3 to positive infinity. The point -3 included in the set of input because there is a closed circle at x=-3.

So, domain of the function are all real numbers greater than or equal to –3.

$Domain=\{x|-3\leq x,x\in R\}$

$Domain=[-3,\infty)$

Therefore the correct option is 4.

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