Solve the inequality. Write the solution in interval notation and graph the solution set.-6(6x - 2) < -42x + 18
A. (-?, 1)
B. (1, ?)
C. (-?, -5]
D. (-?, 1]
Answer: A
Mathematics
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Solve the initial value problem for x as a function of t.(t2 + 4t)
= 4x + 12, x(1) = 1
A. x = 
- 3
B. x = 20t + ln 
- 3
C. x = 
- 3
D. x = 20 ln
- 3
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Solve the problem.A plane flying at an altitude of 20,000 feet descends 2000 feet four times before ascending 1000 feet. What is the current altitude of the plane?
A. 11,000 ft B. 27,000 ft C. 12,000 ft D. 13,000 ft
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
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Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Mathematics