Solve the inequality.|11x - 9| < -2
A. 
B. (-?, ?)
C. 
? 
D. ?
Answer: D
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Solve the problem.The dimensions of a cardboard box were measured as 30 cm, 90 cm and 40 cm, with the percentage error in each dimension not exceeding 6 percent. Approximate the worst possible percentage error in the volume of the box. Assume that the cardboard is of negligible thickness.
A. 13% B. 18% C. 6% D. 12%
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (9 - 2t)i + (5 + 9t)j + (6t - 9)k, -3 ? t ? 5
A. 242 B. 22 C. 88 D. 968
Decide whether the given functions are inverses.f = {(3, 10), (10, -5), (-5, -9)}g = {(10, 3), (-5, 10), (-9, 3)}
A. No B. Yes
Solve the problem.The sum of three numbers is -4. If the second number is subtracted from the sum of the first and third numbers, the result is 4. If the third number is subtracted from the sum of the first and second numbers, the result is 6. Find the three numbers.[Hint: let x represent the first number, y the second number, and z the third number. Use the given conditions to write and solve a system of equations.]
A. x = 6, y = -4, z = -6 B. x = 5, y = -4, z = -5 C. x = 3, y = -2, z = -5 D. x = 6, y = -3, z = -7