Find the value of x.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Use the given information to determine the exact trigonometric value.

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|