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 $8,000 on the commodity?
?
Between _________ and ________ units.
What will be an ideal response?
1,000; 4,000
Mathematics
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Solve the problem.A retired couple has $130,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 5%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $12,100 per year?
A. $80,000 at 12% and $50,000 at 5% B. $90,000 at 12% and $40,000 at 5% C. $80,000 at 5% and $50,000 at 12% D. $70,000 at 5% and $60,000 at 12%
Mathematics
Solve the equation.(8y + 1)(5y - 4) = 0
A. 
B. 
C. 
D. {7}
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Solve. Clear decimals first.0.61 + 0.36x = 0.96 - 0.79x
A. - 
B. 
C. 
D. - 
Mathematics
Multiply.(4y6 + 2y5)(4y6 + 5y5)
A. 16y12 + 28y11 + 10y5 B. 16y12 + 28y11 + 10y10 C. 16y12 + 28y11 + 10y25 D. 16y36 + 28y30 + 10y25
Mathematics