Question

The expression

−
20
r
2
+
1
,
400
r
−
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?


−
20
r
2
+
1
,
400
r
−
12
,
000
>
10
,
000

− − 20 r 2 + 1 , 400 r − − 12 , 000 > 10 , 000

−
20
r
2
+
1
,
400
r
−
12
,
000
≥
10
,
000

− − 20 r 2 + 1 , 400 r − − 12 , 000 ≥ ≥ 10 , 000

−
20
r
2
+
1
,
400
r
−
12
,
000
<
10
,
000

− − 20 r 2 + 1 , 400 r − − 12 , 000 < 10 , 000

−
20
r
2
+
1
,
400
r
−
12
,
000
≤
10
,
000

Answer 1

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