Determine the order of the matrix.
A. 1
B. 4 × 1
C. 4
D. 1 × 4
Answer: D
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Determine if the sequence is monotonic and if it is bounded.an = 
A. decreasing; bounded B. decreasing; unbounded C. not monotonic; bounded D. nondecreasing; bounded
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A sample consists of every 20th student who leaves the library.
A. Systematic B. Stratified C. Simple random D. Convenience
Solve the problem.Under your new job contract, you will earn $22.50 per hour for the next 2 years. Assuming that you keep this job and work 40 hours per week, 52 weeks per year, what will your total gross earnings be over the next 2 years?
A. $93,500 B. $93,700 C. $83,600 D. $93,600
Match f(x) with its graph. Assume that a and b are constants with 0 < a < 1 < b.f(x) = xa
A. 
B. 
C. 
D. 