Write the first four terms of the sequence whose general term is given.an = 2n
A. 3, 4, 5, 6
B. 1, 0, -1, -2
C. 2, 4, 6, 8
D. 0, 2, 4, 6
Answer: C
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos 2t + 4 cos 6t, y = 5 sin 2t - 4 sin 6t, 0 ? t ? ?
A. 
B. 
C. 
D. 
Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = 
; ? = 0.03
What will be an ideal response?
Determine the letters or numbers.Write the binary code for the letter Q.
A. 100100 B. 1010100 C. 1010001 D. 1010010
Given a group of students: 
or 
list and count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.Three representatives, if two must be male and one must be female
A. ACB, ACD, AEB, AED, CEB, CED, DEC, BEC, DEA, BEA, DCA, BCA; 12 B. ACB, ACD, AEB, AED; 4 C. ACB, ACD, AEB, AED, CEB, CED; 6 D. ABC, CDE; 2