1 Answer

Rann Lifshitz · Answer 1 · 2018-06-21T13:31:32+0000

For a, the function is increasing from (-1, 1) so it is false

for b, (-3,5) includes (-1,1) and it is increasing for at least part of it , so it is false

For c, the function is going up for all the periods mentioned, so it is true!

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