Mashaal Masha
For the function $f$, the graph of $y=f(x)$ in the $xy$-plane has a slope of $3$ and passes through the point $(0,-8)$. Which equation defines $f$?
Difficulty: Easy
A: 

$f(x)=3x$

B: 

$f(x)=3x-8$

C: 

$f(x)=3x+5$

D: 

$f(x)=3x+11$

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