find the increasing interval of f(x)=22x^(55) +222 .


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Question Number 188667 by sciencestudentW last updated on 04/Mar/23

$f i n d t h e i n c r e a s i n g i n t e r v a l o f$ $f (x) = 22 x^{55} + 222 .$
Commented by sciencestudentW last updated on 05/Mar/23

$p l e a s e h e l p m e!$
Commented by sciencestudentW last updated on 06/Mar/23

$I t h i n k i t i s n o t p o l y n o m i a l b e c a u s e$ $p o l y n o m i a l i s a n a l g e b r i c e x p r e s i o n . w h a t$ $d o y o u t h i n k ?$
Commented by mr W last updated on 06/Mar/23

$c e r t a i n l y {i t}^{'} s p o l y n o m i a l!$
	Answered by mr W last updated on 05/Mar/23

	$f^{'} (x) = 22 \times 55 x^{54} ⩾ 0$ $t h a t m e a n s f (x) i s a l w a y s i n c r e a s i n g .$ $t h e i n c r e a s i n g i n t e r v a l i s (- \infty, + \infty) .$
	Commented by sciencestudentW last updated on 05/Mar/23

	$t h a n k s$
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