Simplify by removing grouping symbols and combining like terms.-3x - 2(x - 3y)

A. -5x - 6y
B. -4x + 6y
C. -5x + 6y
D. -5x - 3y

Answer: C

Mathematics

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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number  such that for all x, 0 <  < ? ?  < ?.f(x) = -8x + 4, L = -4, x0 = 1, and ? = 0.01

A. 0.005 B. 0.00125 C. 0.0025 D. -0.01

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Mathematics

Multiply using Napier's rods.6 × 1437

A. 8628 B. 8622 C. 4311 D. 17,244

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Mathematics

Solve the initial value problem.Differential Equation:  = (18t2 - 7)i - j + kInitial Condition: r(0) = -8i + 4j + 5k

A. r(t) = (18t3 - 7t - 8)i + (4 - t)j + ( + 3)k
B. r(t) = (6t3 - 7t - 8)i + (4 - t)j + ( - 3)k
C. r(t) = (6t3 - 7t - 8i + (4 - t)j + (2 + 3)k
D. r(t) = (6t3 + 7t + 8)i + (4 + t)j + ( + 3)k

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Mathematics

Simplify using order of operations.

A. 42 B. -42 C. -38 D. 38

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Mathematics