(In reply to
calculator solution by Charlie)
The Desmos online calculator gives two real solutions that differ from those given by the TI-84 + CE. The graph is here.
But it's still two real solutions.
Added:
I'd trust the TI-84 more, as f(-5) = -5, so no matter how many iterations there are to -5 as the input, the f value will be -5.
Edited on March 16, 2019, 2:09 pm
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Posted by Charlie
on 2019-03-16 13:32:54 |