Question

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Answer 1

\[y \ge -2\] no?

Answer 2

the range is the possible values of y
the closed circle means that it includes y = 1

so its the first option y>= 1

Answer 3

u have to see the values of y which it can attain example in first one it is y \[\ge \]1 ; the range of this will be [-1, infinity) [ this means -1 inclusive , similarly u can do all other

Answer 4

thank you all! :)