Find the vector x determined by the given coordinate vector [x]B and the given basis B.B = 
, [x]B = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing y = 
+ 7
A. (-7, 0) B. (7, ?) C. (0, ?) D. (-7, 7)
Mathematics
Solve the rational inequality. Express your solution on a number line using interval notation.
? 0
A. [-12, 1] ? [2, ?)
B. [-12, 1) ? [2, ?)
C. (-?, -12] ? (1, 2]
D. (-?, -12] ? [2, ?)
Mathematics
Determine which operation is indicated by each word or phrase.quotient
A. multiply B. subtract C. divide D. add
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.-4(3y - 15) < -16y + 28
A. [-8, ?)
B. (-8, ?)
C. (-?, -8)
D. (-?, -8]
Mathematics