Solve the equation or inequality.x ? 4 and x ? -2
A. ?
B. [-2, ?)
C. [4, ?)
D. [-2, 4]
Answer: C
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The circulation M, in thousands, of a magazine depends on the time t, in years, since initial publication. The following relationship is valid over the first 7.00 years:
.
When did magazine circulation reach a maximum, and what was the maximum circulation? Round your answers to two decimal places.
?
A. The maximum circulation of 4.67 thousand occurred 54.81 years after initial publication. B. The maximum circulation of 54.81 thousand occurred 4.67 years after initial publication. C. The maximum circulation of 2.89 thousand occurred 57.70 years after initial publication. D. The maximum circulation of 57.70 thousand occurred 2.89 years after initial publication.
Solve the problem.The length of one arch of the curve y = 3 sin 2x is given by L = 
Estimate L by the Trapezoidal Rule with n = 6.
A. 5.8169 B. 6.2807 C. 6.4115 D. 6.1995
Use the circle graph to solve the problem.The circle graph below gives the inventory of the men's department of a store.
What is the total inventory?
A. $66,000 B. $96,000 C. $94,200 D. $92,400
Write the phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.Ten times the sum of a number and -15.
A. 10x - (-15) B. 10+ x + (-15) C. 10x + (-15) D. 10(x + (-15))