Solve the problem.The equation y = 0.003x + 0.50 can be used to determine the approximate profit, y in dollars, of producing x items. How many items must be produced so the profit will be at least $2937?
A. 0 < x ? 978,833
B. x ? 978,834
C. x ? 979,167
D. x ? 978,834
Answer: B
Mathematics
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Solve the equation on the interval [0, 2?).cos 2x = 
- cos 2x
A. 
, 
, 
, 
B. 0, 
, ?, 
C. 
, 
, 
, 
D. no solution
Mathematics
Perform the conversion. Round to the nearest hundredth when necessary.86.5 yd to m
A. 94.29 m B. 283.72 m C. 79.06 m D. 26.38 m
Mathematics
Solve the problem.If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal) compounded semiannually, then this sum of money increases by a factor of 
2 after one year. For an annual interest rate of 10%, evaluate the polynomial that results by multiplying this expression.
A. 1.0525 B. 1.0025 C. 36 D. 1.1025
Mathematics
Graph the function. Show at least one period.y = 3 sin(?x + 3)
A. 
B. 
C. 
D. 
Mathematics