A manufacturer of a certain commodity has estimated that her profit in thousands of dollars is given by the expression
?
?
where x (in thousands) is the number of units produced.
?
What production range will enable the manufacturer to realize a profit of at least $6,000 on the commodity?
?
A. Between 1,000 and 9,000 units.
B. Between 5,000 and 10,000 units.
C. Between 5,000 and 6,000 units.
D. Between 1,000 and 6,000 units.
E. Between 1,000 and 10,000 units.
Answer: D
Mathematics
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Use the order of operations to simplify the expression.
2? 
A. 
B. 
C. 
D. 
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Find the midpoint of the line segment whose endpoints are given.
, 
A. 
B. 
C. 
D. 
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Write the division problem using two other symbols.
= 9
A. 2 × 9 = 18; 
= 18
B. 9 ÷ 2 = 18; 
C. 18 ÷ 2 = 9; 
D. 18 ÷ 9 = 2; 
Mathematics
In the circuit below, Vin = 35 V, R = 20 Kê, and fCO = 23 KHz. Find VO and C at fCO.
a. VO = 17.5 V, C = 346 pF
b. VO = 17.5 V, C = 230 pF
c. VO = 24.8 V, C = 346 pF
d. VO = 24.8 V, C = 200 pF
e. VO = 35.0 V, C = 530 pF
Mathematics