Question

Which of the following parent functions has the most restricted domain?. A. y=1/x. B. y=x^2. C. y= the square root of x. D. y= |X|

Answer 1

The domain of the function is the set of all x's that are suitable for the given equation. In the problem, we are asked to determine the equation with the most restricted domain. Option A can have x from negative infinity to positive infinity as well as option B and option D. OPtion C can only have x equal to zero and all positive numbers. Hence the answer is C.