Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.log19
A. 
B. (log1914)( log19m) - log19s
C. log1914 + log19m - log19s
D. log1914 - log19m - log19s
Answer: C
Mathematics
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Write the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at the origin and r = 4
A. x2 + y2 = 0 B. x2 - y2 - 16 = 0 C. x2 - y2 + 16 = 0 D. x2 + y2 + 16 = 0 E. x2 + y2 - 16 = 0
Mathematics
Find the inverse of the matrix (if it exists).A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Mathematics
Find the inverse of the function.f(x) = e-x + 2
A. f-1(x) = -ex - 2
B. f-1(x) = -ln(x - 2)
C. f-1(x) = ln 2 - ln x
D. f-1(x) = ex - 
Mathematics
Perform the matrix operation. 
+ 
=
A. 
B. 
C. 
D. 
Mathematics