Find the indicated vector.Let u = . Find -6u.

A.

B.

C.

D.

Answer: B

Mathematics

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Solve the problem.Find the derivative of the function    at the point    in the direction in which the function increases most rapidly.

A.
B.
C.
D.

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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

Solve.4(x - 3) - 17 = 9x - 5(x - 5)

A. x = -42 B. x = 8 C. Infinite number of solutions D. No solution

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Mathematics

Determine whether the given point is on the graph of the equation.Equation: y = x4 - Point: (0, 0)

A. No B. Yes

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Mathematics