Determine whether or not the graph is a graph of a function of x.

A. Function
B. Not a function


Answer: A

Mathematics

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Solve for x.log 5 x = 3

A. 8 B. 125 C. 15 D. 243

Mathematics

If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (cos 2t)i + (5 sin t)j

A. a = (-4 cos 2t)i + (-5 sin t)j B. a = (-2 cos 2t)i + (5 sin t)j C. a = (-4 cos 2t)i + (-25 sin t)j D. a = (4 cos 2t)i + (-5 sin t)j

Mathematics

Graph the scalar product of the complex number shown in the graph and the given number.-3a = 2 - j

A.

b = -3(2 - j)
B.

b = -3(2 - j)
C.

b = -3(2 - j)
D.

b = -3(2 - j)

Mathematics

Determine which inequality matches the graph.

A. y ? -3x - 2 B. y ? 3x - 2 C. y ? -3x - 2 D. y ? 3x - 2

Mathematics