Find the specified vector or scalar.u = -2i + 4j and v = -6i - 16j; Find 
.
A. 4
B. 
C. -3
D. 4
Answer: A
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Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 10.8 hours C. 5.4 hours D. 2.7 hours
Find the domain. Write interval notation for the answer.f(x) = 
A. (-?, 0) ? (3, ?) B. (-?, -3) ? (-3, 0) ? (0, ?) C. (-?, -3) ? (-3, 1) ? (1, ?) D. (-?, -3) ? (0, ?)
Find an antiderivative of the given function.8
- 3
A. 
x3/2 - 3
B. 
x3/2 - 3x
C. 8x3/2 - 3
D. 8x3/2 - 3x
A man gets a job with a salary of $50,000 a year. He is promised an $1800 raise each subsequent year. Find his total earnings for a 10-year period.
(a) $518,000 (b) $851,000 (c) $1,581,000 (d) $481,000