Question

Which answer represents the domain of the logarithmic function given below?F(x) = log7 xA.x 0B.x < 0C.x > 0D.All real numbers

Answer 1

ANSWER

C. x > 0

EXPLANATION

The argument of a logarithm must be positive - i.e. it is not defined for negative values or zero.

In this case, the argument of the logarithm is x so, the domain of this function is x > 0.