The expression
β
20
r
2
+
1
,
400
r
β
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 04.10.2021 14:00 jgcugucgucg
The expression
β
20
r
2
+
1
,
400
r
β
12
,
000
represents the total profit made by a company when selling a certain product for
r
dollars. Which inequality represents the sale price, in dollars, when the total profit will be at most
10
,
000
dollars?
β
20
r
2
+
1
,
400
r
β
12
,
000
>
10
,
000
β β 20 r 2 + 1 , 400 r β β 12 , 000 > 10 , 000
β
20
r
2
+
1
,
400
r
β
12
,
000
β₯
10
,
000
β β 20 r 2 + 1 , 400 r β β 12 , 000 β₯ β₯ 10 , 000
β
20
r
2
+
1
,
400
r
β
12
,
000
<
10
,
000
β β 20 r 2 + 1 , 400 r β β 12 , 000 < 10 , 000
β
20
r
2
+
1
,
400
r
β
12
,
000
β€
10
,
000
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Answers: 2
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