Look at the graph of the given relation. Determine whether the relation is a function. Explain why or why not. (4.2, 6.2), (-0.8, 6.2), (-3.8, 4.2), (-3.8, -1.8)

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13