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Math·Advanced Math·Nonlinear functions

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$x$	$f(x)$
−37	4
−9	0
33	6

The table shows three values of $x$ and their corresponding values of $f(x)$, where $f(x)=\frac{kx+45}{x+2}$ and $k$ is a constant.

What is the value of $k$?

1

5