Solve the problem.The profit (in thousands of dollars) that a company earns from producing x tons of brass and y tons of steel can be approximated by 
Find the amount of brass and steel that maximize profit and find the value of the maximum profit.
A. 3 tons of brass and 6 tons of steel; maximum profit is $216,000
B. 
tons of brass and 
tons of steel; maximum profit is $118,833
C. 6 tons of brass and 3 tons of steel; maximum profit is $216,000
D. 
tons of brass and 
tons of steel; maximum profit is $157,977
Answer: A
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Provide an appropriate response.Add the fractions and reduce: 
+ 
A. 
B. 
C. 
D. 
Use a graphing utility to approximate to two decimal places any solutions on [0, 2?) graphically or numerically.ln x = cos x
A. x = 0.40 B. no solution C. x = 2.22 D. x = 1.30
Complete.39.30 dam = 
m
A. 3930 B. 3.93 C. 393 D. 0.393
Find the particular solution of the differential equation.
= 4x + 22; y = -10 when x = 0
A. y = 4x2 + 22x - 10 B. y = 4x2 + 22x - 5 C. y = 2x2 + 22x - 10 D. y = 2x2 + 22x - 5