Find the first term and the common difference for the arithmetic sequence.S4 = 0, a4 = 9
A. a1 = -9, d = 4.5
B. a1 = -9, d = 6
C. a1 = -36, d = 4.5
D. a1 = -36, d = 6
Answer: B
Mathematics
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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
+ 
)
A. 
+ 
B. 15
C. 5 + 
D. 
+ 
Mathematics
Write the improper fraction as a mixed number or whole number.
A. 8
B. 10
C. 9
D. 9
Mathematics
Express as a single logarithm and, if possible, simplify.
logax + 4 loga y - 2 loga x
A. loga x2 y4
B. loga 
y4
C. loga x4 y4
D. loga
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes B. No
Mathematics