Finding the domain of definition of function y = LG (xsquare-4x-5) Write the process
Logarithm requires the true part to be greater than 0
So x & # 178; - 4x - 5 > 0
(x + 1)(x - 5) > 0
X < - 1 or x > 5
Logarithm requires the true part to be greater than 0
So x & # 178; - 4x - 5 > 0
(x + 1)(x - 5) > 0
X < - 1 or x > 5