Question$$f(x)=\left\{\begin{array}{ll} e^{b x} & \text { for } x \leq 2 \\ 1.5 x+b & \text { for } x>2 \end{array}\right.$$ et $f$ be the function defined above. For what values of $b$ is $f$ continuous at $x=2$ ? (A) 0.508 only (B) 0.647 only (C) -1.282 and 0.508
D -2.998 and 0.647