Currently there are a grand total of 9
There is the Chief Justice and the other 8 Associate Justices
The U.S. Supreme Court has 9 justices, consisting of 1 Chief Justice and 8 Associate Justices. This number was set by Congress in 1869 and has remained unchanged since. Justices are appointed for life following a nomination by the President and confirmation by the Senate.
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[tex]f(x) = 22 - 2x[/tex][tex]g(x) = {2x}^{2} + 8x[/tex]Sehingga,[tex](f + g)(x) = f(x) + g(x)[/tex][tex](f + g)(x) = (22 - 2x) + ({2x}^{2} + 8x)[/tex][tex](f + g)(x) = 22 - 2x + {2x}^{2} + 8x[/tex][tex](f + g)(x) = {2x}^{2} + 8x - 2x + 22[/tex][tex](f + g)(x) = {2x}^{2} + 6x + 22[/tex]