Answer to Question #209090 in Algebra for Mya

Question

Rewrite y=3x in fiction notation. Then find the value of the function when x=3

Answer 1

To write an equation in function notation, replace the y with f(x) on the left hand side of the equation. So, in this case: y=3x in function notation becomes f(x) = 3x. The value of the function at x=3 is 9, since x is replaced by 3, thus we multiply 3 by 3