Provide an Appropriate Response $y$ -Intercept of the Linear Function $y = b + 4 x$

Multiple Choice

Provide an appropriate response.
-If the $y$ -intercept of the linear function $y = b + 4 x$ lies below the $x$ -axis, then what can you say about b?

A) $b < 0$
B) $b \geq 0$
C) $b = 0$
D) $b > 0$