Find the first term and the common difference.$8, $12, $16, $20, . . .
A. a1 = $8, d = $4
B. a1 = $8, d =$8
C. a1 = $8, d =$12
D. a1 = $8, d =$4
Answer: A
Mathematics
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Find A.
A. 3
B. 5
C. 15
D. 
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Find the derivative of the function.y = log |-9x|
A. 
B. 
C. - 
D. - 
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Tell whether the relation is reflexive, symmetric, or transitive on the set of subsets of a nonempty set. Also tell whether the relation is an equivalence relation."Has a larger cardinal number than"
A. Transitive and symmetric; not an equivalence relation B. Transitive; not an equivalence relation C. Symmetric; not an equivalence relation D. None; not an equivalence relation
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Find the amplitude, period or phase shift.Find the period of y = 5 cos 
.
A. 5?
B. 6?
C. 
D. 3?
Mathematics