Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.x ? 1 and x ? -2
A. (-?, -2] ? [1, ?)
B. [-2, 1]
C. (-2, 1)
D. ?
Answer: B
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Write the number in expanded form.581
A. 5(1000)+ 8(100) + 1(10) B. 5(10) + 8(100) + 1(1000) C. 5(1) + 8(10) + 1(100) D. 5(100) + 8(10) + 1(1)
Round the number so that there is only one nonzero digit.7787
A. 7800 B. 8000 C. 9000 D. 7790
Provide an appropriate response.The reduction of principal each month is equal to the payment amount plus one month's interest.
A. True B. False
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue 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 cost function, C(x), is such that 
Find C(x).
A. C(x) = 2x + 11 B. C(x) = 3x + 16 C. C(x) = 4x + 7 D. C(x) = -0.3x2 + 4x + 11