18. An equation of the line tangent to the graph of $y = x + \cos x$ at the point $( 0,1 )$ is (A) $y = 2 x + 1$ (B) $y = x + 1$ (C) $y = x$ (D) $y = x - 1$ (E) $y = 0$
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18. An equation of the line tangent to the graph of $y = x + \cos x$ at the point $( 0,1 )$ is\\
(A) $y = 2 x + 1$\\
(B) $y = x + 1$\\
(C) $y = x$\\
(D) $y = x - 1$\\
(E) $y = 0$\\