Since yequals3xplus9 describes a​ function, rewrite the equation using function notation.

Question

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Part 1
Choose the correct answer.
A.
​f(x)equals3yplus9
B.
​f(x)equals3xplus9
C.
​f(x)equals9xplus3
D.
​f(x)equals3xminus9

Answer 1

To rewrite the equation \( y = 3x + 9 \) using function notation, we replace \( y \) with \( f(x) \).

Thus, the correct answer is:

B. \( f(x) = 3x + 9 \)