The table gives the number of hours, $h$, of labor and a plumber’s total charge $f(h)$, in dollars, for two different jobs

$h$ $f(h)$

1 155

3 285

There is a linear relationship between $h$ and $f(h)$. Which equation represents this relationship?

Question

$h$	$f(h)$
1	155
3	285

Accepted Answer

$f(h)=65h+90$

Answer

$f(h)=25h+130$

Answer

$f(h)=130h+25$

Answer

$f(h)=90h+65$