Solve each equation. Check each answer to ensure that it does not include extraneous solutions. Be sure to show the work on these 4 problems. 25 points each 1. √ x=3=√ x+15 -2

2. √ x+16 = x -√ x+17

3. √ x-3-√x -2=1

4. √√ x-3=√ x-15

Given a = {(1, , 5)(6,4)}, b = {(2,0)(4, ,5)(0, 0)) and c = {(1, 1)(0, 2)(0, 3)(0, ,5)}, answer the following multiple choice question: from the list of sets a, b, and c, state the domain of set b. domain of set b: {0, 6,5} domain of set b: {2, 4,-4, 0} set b does not have a domain