Since y = 9x + 3 describes a function, rewrite the equation using function notation.
Choose the correct answer.
f(x) = 3x + 9
f(x) = 9x - 3
f(x) = 9y + 3
f(x) = 9x + 3
Choose the correct answer.
f(x) = 3x + 9
f(x) = 9x - 3
f(x) = 9y + 3
f(x) = 9x + 3