There’s a curved graph too but the question is which relation defined by a graph is a function?

Will give brainliest if you answer question correct

Equation for the calculation double 2 and then add 5

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]