Answer:

Step-by-step explanation:
The absolute maximum of a continuous function
is where
. Therefore, we must differentiate the function and then set
and
to determine the value of
:







Therefore, when
, the absolute maximum of the function is
.
I've attached a graph to help you visually see this.
Answer:90
Step-by-step explanation:
10,20,30,40,50,60,70,80,90,100
Counting in tens the same row as 83 is 90 .
I think it's 2+4×5=6 or 7+910=10