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Math·Advanced Math·Nonlinear functions

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$y=\frac{33-x}{ax+b}$, where $a$ and $b$ are positive constants.
What is the $x$-intercept of the graph of the given equation in the $xy$-plane?

A

$(-b/a,0)$

B

$(0,33/b)$

C

$(0,-33)$

D

$(33,0)$