Find the requested vector.v = -3i - 2j + kFind a vector orthogonal to both v and i + k.
A. i - j - 4k
B. -2i + 4j + 2k
C. 4i - 4j - 4k
D. 4i - 3j - 4k
Answer: B
Mathematics
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Find the indicated matrix.Let A = 
and B = 
. Find 2A + B.
A. 
B. 
C. 
D. 
Mathematics
Solve.Juanita earns $13.55 per hour at her job. She worked 27 hours last week. Calculate Juanita's pay before taxes.
A. $363.15 B. $364.50 C. $365.85 D. $365.75
Mathematics
Solve the equation on the interval 0 ? ? < 2?.3 cot2 ? - 4 csc ? = 1
A. 
B. 
C. 
D. 
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[5ln (x + 1) - ln x - ln (x2 - 1)]
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics