How would I go about answering this question?

Complete the following. [3] Find ftx} for the indicated values of x, ifpossible. [b] Find the domain of f. x}=-,I'xtorx= a, a+E [a] Evaluate x] for x = 3. Select the correct choice below and, if necessary, ll in the answer box to complete your choice. {i} A. ft-83=D [Type an exact answer, using radicals as needed. Simplify your answer.) 0 B. The value of f[ B] is undened. Evaluate x} for x = a + 6 and simplify your answer. Select the correct choice below and, if necessary, ll in the answer box to complete your choice. (i) A. t{a+]=|:| [Type an exact answer, using radicals as needed. Type an expression using a as the variable. Simplify your answer.) Ct B. The value of f[a + B] is undened for all values of a. [b] Choose the conect domain of f below. 0 A. Nonnegative real numbers 0 B. Positive real numbers IE) C. Negative real numbers CI D. All real numbers