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Math·Algebra·Linear functions

easy

The function $f(x)$ is defined as 17 more than 3 times a number $x$. If $y=f(x)$ is graphed in the $xy$-plane, what is the best interpretation of the $y$-intercept?

A

When $f(x)=0$, the number is $-\frac{17}{3}$

B

When the number is 0, $f(x)=17$

C

For each increase of 1 in the value of the number, $f(x)$ increases by 3.

D

The value of $f(x)$ increases for each increase of 3 in the value of the number.