rosameza2002ov62ci
24.06.2021 •
Mathematics
Can I get some help with this question? I have attempted several times and failed.
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Ответ:
9514 1404 393
B. relative maximum of 8.25 at x=2.5
Step-by-step explanation:
A quadratic of the form ax²+bx+c has an absolute extreme at x=-b/(2a). For your quadratic, that is ...
x = -5/(2(-1)) = 5/2
The value of the extreme is ...
f(5/2) = (-5/2 +5)(5/2) +2 = 25/4 +2 = 33/4 = 8.25
The negative leading coefficient tells you the graph opens downward, so the extreme is a maximum.
The function has a relative maximum of 8.25 at x = 2.5.
__
A graphing calculator can show this easily.
Ответ:
1.5 inches
Step-by-step explanation:
"The amount of rain that fell over two days" means the sum of the two amounts of rain that fell on Saturday and Sunday.
This number is close to
, which is 1.5 inches.