If $P$ and $Q$ are two points on the curve $y = 2^{x+2}$ in the rectangular Cartesian coordinate system such that $\overline{OP} \cdot \hat{i} = -1$ and $\overline{OQ} \cdot \hat{i} = 2$,then $\overline{OQ} - 4\overline{OP} = $

  • A
    $3\hat{i} + 8\hat{j}$
  • B
    $4\hat{i} + 6\hat{j}$
  • C
    $6\hat{i} + 8\hat{j}$
  • D
    $4\hat{i} + 3\hat{j}$

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