If a test that has reliability 0.7 has the number of questions increased by a factor n, the reliability R of the new test is given by Upper R left parenthesis n right parenthesis equals StartFraction 0.7 n Over 0.5 plus 0.7 n EndFraction . a. What is the domain of the function defined by this equation? b. If the application used requires that the size of the test be increased, what values of n make sense in the application? Question content area bottom Part 1 a. What is the domain of the function defined by this equation? Choose the correct answer below. A. All real numbers. B. All real numbers except enter your response here