Find v ? u.v = 3i - 5j and u = -3
i + 3j
A. -15 - 9
B. -15
+ 9
C. -15
i - 9j
D. (3 - 3
)i - 2j
Answer: A
Mathematics
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Find all points where the function is discontinuous.
A. None B. x = 4 C. x = 4, x = 2 D. x = 2
Mathematics
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. According to the exponential model, what is the decay rate for the number of VHS rentals?
A. 1.8209 B. -8.92 C. 0.1791 D. 0.8209
Mathematics
Solve the linear equation.
(x - 9) - 
(x - 7) = x - 3
A. 
B. 
C. 
D. 
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Solve the equation using the quadratic formula.3x(x - 5) = 2
A. 
B. - 
C. 
D. - 1
Mathematics