Express the unit vector as indicated.Express the unit vector u = (cos ?)i + (sin ?)j in the same direction as the vector -2i - 11j

A. - i - j
B. i + j
C. i + j
D. i - j


Answer: D

Mathematics

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Solve the problem.The position of an object moving in a straight line is given by  where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 10 seconds?

A. 740 m B. 20 m C. 520 m D. 200 m

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Use transformations to graph the function.f(x) = ex + 2

A.

B.

C.

D.

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Use a calculator to evaluate the expression. Round your answer to three decimal places

A. -0.087 B. 0.682 C. -1.436 D. -3.307

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Find the complete quotient when P(x) is divided by the binomial following it. P(x) = x3 - 1; x - 1

A. x2 + x + 1 + 
B. x3 + x2 + x + 1
C. x2 + x + 1
D. x3 + x2 + x + 1 + 

Mathematics