Guidelines

Can you take log of a negative number?

Can you take log of a negative number?

You can’t take the logarithm of a negative number or of zero. 2. The logarithm of a positive number may be negative or zero.

How do you find the log of a negative number?

In particular, the logarithm of a negative real number x can then be calculated as log(x)=log(|x|eiπ)=log(|x|)+log(eiπ)=log(|x|)+iπ. for all k∈Z. Therefore, the complex logarithm is only defined up to multiples of 2πi !

What if the range is negative?

No. Because the range formula subtracts the lowest number from the highest number, the range is always zero or a positive number.

Why can’t LN be negative?

The natural logarithm function ln(x) is defined only for x>0. So the natural logarithm of a negative number is undefined. The complex logarithmic function Log(z) is defined for negative numbers too.

What is negative log equal to?

log (1/a) = -log a means that the logarithm of 1 divided by some number is equal to the negative logarithm of that number. (This is the exactly the opposite of the rule governing exponents where a number raised to a negative number is equal to 1 divided by that number raised to that power.)

Can you calculate range with negative numbers?

You have to have multiple numbers to calculate the range. You know that if a negative number is higher, it is less (eg -4 < -2), so the negative with the “highest” number would be the lowest part, and you would then take the highest positive number, and then subtract the lower part from the higher.

Can a domain be negative?

Negative values can be used for . The correct answer is: The domain is all real numbers and the range is all real numbers such that . Negative values can be used for , but the range is restricted because . The correct answer is: The domain is all real numbers and the range is all real numbers such that .