Which of the following is true? a. the base of a logarithmic function can be a negative number. b. a logarithmic function is the inverse of a rational function. c. the domain of the logarithmic function f(x) = log5x is all positive real numbers. d. the base of a logarithmic function can be zero.

Option c - The domain of the logarithmic function  is all positive real numbers.

Step-by-step explanation:

Given : Following statements.

To find : Which of the following is true?

Solution :

a. The base of a logarithmic function can be a negative number.

False, because the base of a logarithmic function is greater than 1.

b. A logarithmic function is the inverse of a rational function.

False, because the inverse of the logarithmic function is an exponential function.

c. The domain of the logarithmic function  is all positive real numbers.

True, because the domain of the logarithmic function    is the set of positive real numbers and the range is the set of real numbers.

d. The base of a logarithmic function can be zero.

False, because the base to zero is when solved by exponent then it became 0 to the power which is always zero.

Therefore, Option c is true.

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step-by-step explanation:

2/4 is the answer

step-by-step explanation:

x= total pieces

both ate 9 pieces

mindy ate 3 so troy ate 6

6= (1/4)x

x =24