Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log (4 + x) - log (x - 2) = log 3
A. ?
B. 
C. {-5}
D. {5}
Answer: D
Mathematics
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Answer the following statement(s) true (T) or false (F)
The lattice method of multiplication originated in 10th century India.
Mathematics
Use the vertical line test to determine whether the graph represents a function.
A. function B. not a function
Mathematics
Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 
= 5 + yi
A. x = -5, y = 7 B. x = -5, y = -7 C. x = 5, y = -7 D. x = 5, y = 7
Mathematics
Find the variance of the probability density function to the nearest hundredth.f(x) = 1 - 
; [1, 4]
A. 0.52 B. 0.53 C. 0.61 D. 0.57
Mathematics