Find the first five terms of the sequence with the given general term.an = 3n- 1
A. 4, 7, 10, 13, 16
B. 2, 3, 4, 5, 6
C. -2, -5, -8, -11, -14
D. 2, 5, 8, 11, 14
Answer: D
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Identify the form of the argument and state whether the argument is valid or invalid.If you wear a tie, then you look natty.You do not look natty. Therefore, you are not wearing a tie.
A. Fallacy of the converse; invalid B. Fallacy of the inverse; invalid C. Disjunctive syllogism; valid D. Law of contraposition; valid
Determine whether the two matrices are inverses of each other by computing their product.
, 
A. No B. Yes
Find the term of the geometric sequence 8, 32, 128, ….
a. 
b. 
c. 
d. 
Solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 40 units of vitamin A, at least 9 units of vitamin B, and at least 30 units of vitamin C. The red vitamin pills cost 
each and contain 7 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 3 units of A, 1 unit of B, and 6 units of C. How many pills should the patient take each day to minimize costs?
A. 9 red and 0 blue B. 6 red and 3 blue C. 3 red and 6 blue D. 7 red and 2 blue