Assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms.log 13 x13
A. log 13 13
B. 13 log 13 x
C. log 13 13x
D. log 13 13 ? log 13 x
Answer: B
Mathematics
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Find the length of the parametric curve defined over the given interval.x = 
(t3 - 3t), y = t2 + 3, 0 ? t ? 1
A. 
B. 
C. 
D. 2
Mathematics
Write the first five terms of the sequence {an}.a1 = 3, an + 1 = -an
A. 3, 0, -3, -6, -9 B. -3, 3, -3, 3, -3 C. 3, -9, 27, -81, 243 D. 3, -3, 3, -3, 3
Mathematics
Decide whether the expression is or is not an identity.sin (A + B) sin (A - B) = sin2A - sin2B
A. Identity B. Not an identity
Mathematics
Write the number in standard form.Twenty-three billion, one million, fifteen hundred thousand
A. 23,000,015,000 B. 23,015,000 C. 23,001,500,000 D. 23,150,000,000
Mathematics