Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 6; d = -2an = ?; a15 = ?
A. an = 8 - 2n; a15 = -6
B. an = 6 - 2n; a15 = -22
C. an = 8 + 2n; a15 = -22
D. an = 8 - 2n; a15 = -22
Answer: D
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B. 
C. - 
D. 
Write the logarithmic statement in exponential form. For example, "log 2 8 = 3" becomes "2 3 = 8" in exponential form.log 10 0.1 = -1
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Find all the first order partial derivatives for the following function.f(x, y, z) = xz
A. 
= z
; 
= - 
; 
= x
B. 
= z
; 
= - 
; 
= x
C. 
= z
; 
= 
; 
= x
D. 
= z
; 
= 
; 
= x