18 ÷ x = -2 what is x PLEASE HELP FAST AS YOU CAN

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Solve: 3x+y=6 4x-2y=18 show all work !