Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.4i
A. 4(cos 90° + i sin 90°)
B. 4(cos 270° + i sin 270°)
C. 4(cos 180° + i sin 180°)
D. 4(cos 0° + i sin 0°)
Answer: A
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Find the triple scalar product (u x v) ? w of the given vectors.u = 2i - 4j + 3k; v = -9i - 7j + 9k; w = 4i - 4j + 5k
A. 146 B. -130 C. 518 D. -154
Convert as indicated.66 ml to centiliters
A. 6.6 cl B. 0.66 cl C. 660 cl D. 6600 cl
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = ln(x - 2); relative to f(x) = ln x
A. Moved left 2 units
B. Moved right 2 units
C. Moved left 2 units
D. Moved right 2 units
Answer the question about the given function.Given the function f(x) = -4x2 - 8x - 8, if x = -1, what is f(x)? What point is on the graph of f?
A. -4; (-1, -4) B. -4; (-4, -1) C. -20; (-1, -20) D. -20; (-20, -1)