Find a system of inequalities with the given graph.
A. y > -2
x ? -1
B. y > -1
x ? -2
C. y < -2
x ? -1
D. y > -2
x ? -1
Answer: D
Mathematics
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Solve the system of linear equations.
A. (-6, 2, 11) B. (7, 12, 11) C. no solution D. (7, 2, -2)
Mathematics
Perform the indicated operation.Experiments on a new composite material yield
- 
.Simplify the expression.
A. 3K - 
?
B. K - 
?
C. K - 
?
D. 3K - 
?
Mathematics
Perform the indicated operation.
A. 
B. 4
C. - 
D. (5t - 6)2
Mathematics
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
Find R(x).
A. R(x) = 56x - 0.3x2 B. R(x) = 55x - 0.6x2 C. R(x) = 58x - 0.3x2 D. R(x) = 56x + 0.3x2
Mathematics