Find the first term a1 and the common difference d of the arithmetic sequence.an = 10 - 5n
A. a1 = -5, d = 5
B. a1 = 10, d = 5
C. a1 = 5, d = -5
D. a1 = 5, d = 10
Answer: C
Mathematics
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A. z ? 0 B. z > 0 C. z ? 0 D. z < 0
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Find the second derivative.y = 3x3 - 6x2 + 5
A. 18x - 12 B. 12x - 12 C. 12x - 18 D. 12x - 12
Mathematics
Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.Through (-2, -2) and parallel to 7x - 8y = -46
A. (a) y = 
x - 
(b) -8x + 7y = 2
B. (a) y = - 
x + 
(b) -2x - 8y = -46
C. (a) y = - 
x + 
(b) -7x - 8y = - 2
D. (a) y = 
x - 
(b) 7x - 8y = 2
Mathematics
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Mathematics