Multiply.4 ? 4

A. 20
B. 8
C. 12
D. 16


Answer: D

Mathematics

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Find an equation of the tangent line at the given point P.y = x3 - 9x, P(1, -8)

A. y = 3x - 7 B. y = 3x - 11 C. y = -6x - 2 D. y = -6x

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Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = x4 - 4x3 + 4x2 - 4x + 1

A. (2.73, -5.95) B. (0.23, 0.25) and (2.73, -5.95) C. (2.32, -7.73) D. (0, 1)

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Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be positive?

What will be an ideal response?

Mathematics

Solve the problem.If a submarine goes 3k3 + 15k2 + 3k - 30 miles in 3k + 6 hours, what is its rate of speed?

A. k2 + 10.5k - 5 miles/hr B. k2 + 3k - 5 miles/hr C. k2 - 3k + 5 miles/hr D. k3 + 3k2 - 5k miles/hr

Mathematics