Solve the absolute value inequality. Write your answer in interval notation.|4x - 9| ? 0

A.
B.  ? 
C.
D. ?

Answer: A

Mathematics

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Solve graphically. Round solutions to three decimal places, where appropriate.3x2 - 7 = 8x

A. -0.644, 3.411 B. -0.704, 3.351 C. -0.744, 3.311 D. -0.694, 3.361

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Mathematics

Solve the problem.Arches in the shapes of parabolas are often used in construction. Find the equation of a parabolic arc that is 20 feet high at its highest point and 22 feet wide at the base, as illustrated in the figure. Place the origin at the midpoint of the base.

A. y = - x2 + 20
B. y = -x2 + 22
C. y = -x2 + 20
D. y = x2 + 20

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Mathematics

Subtract.111 - 112

A. 1 B. -223 C. -1 D. 223

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Mathematics

Find the indicated matrix.Let B = [-1 6 4 -3]. Find -2B.

A. [-2 12 8 -6] B. [-3 4 2 -5] C. [2 6 4 -3] D. [2 -12 -8 6]

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Mathematics