Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 4; d = -2an = ?; a16 = ?
A. an = 4 - 2n; a16 = -26
B. an = 6 - 2n; a16 = -8
C. an = 6 + 2n; a16 = -26
D. an = 6 - 2n; a16 = -26
Answer: D
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Use Euler's formula to answer the question.A prism has 10 faces. How many vertices and edges does it have?
A. 24, 24 B. 16, 24 C. 24, 16 D. 16, 16
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 10; 225°
B. 20; 45°
C. 10
; 45°
D. 10
; 225°
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(2, ?)
A. increasing B. decreasing C. constant
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 4x - 1
D. 