If the function $f(x) = \begin{cases} 3ax + b, & \text{for } x < 1 \\ 11, & \text{for } x = 1 \\ 5ax - 2b, & \text{for } x > 1 \end{cases}$ is continuous at $x = 1$,then the values of $a$ and $b$ are:

  • A
    $a = 2, b = 3$
  • B
    $a = 3, b = 3$
  • C
    $a = 2, b = 2$
  • D
    $a = 3, b = 2$

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