dark25579 dark25579

19-08-2019
Mathematics

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Can someone help me out with number 9? I don’t understand how to solve it.

Can someone help me out with number 9 I dont understand how to solve it class=

Respuesta :

Аноним Аноним

20-08-2019

Answer:

I'll go for option a

Step-by-step explanation:

Domain is the range of your x(variable).

In first case f(x) = √(2x+1). We solve this for real numbers thus 2x+1 has to be non negative number. This happens when x is [-1/2;infinity)

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