Solve the problem.Find a vector of magnitude 6 in the direction opposite to the direction of v = 
i + 
j - 
k.
A. 4
B. 4
C. 6
D. 4
Answer: A
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Solve.A pendulum bob swings 6.0 cm on its first oscillation. On each subsequent oscillation the bob travels 
of the previous distance. Find the total distance the bob travels before coming to rest.
A. an = 9.0 (
)n-1
B. an = 6.0 (
)n-1
C. an = 6.0 (3)n+1
D. an = 6.0 (3)n-1
Perform the division. Write the answer with positive exponents.
A. 4x3 + 5x2 - 7
B. 4x3 - 3x2 - 7 + 
C. -4x3 + 3x2 + 7 - 
D. 4x3 - 3x2 - 7
Give the domain and range for the rational function. Use interval notation.f(x) = - 
A. Domain: (-?, -8) ? (-8, ?); Range: (-?, 0) B. Domain: (-?, 8) ? (8, ?); Range: (-?, 0) C. Domain: (-?, 8) ? (8, ?); Range: (-?, 9) D. Domain: (-?, 8) ? (8, ?); Range: ( 0, ?)
Perform the indicated division or state that the expression is undefined.-45 ÷ (-5)
A. 9 B. -9 C. 10 D. 8