The function $f(x)=3x^{4}+16x^{3}-30x^{2}+10$ is increasing for

  • A
    every real value of $x$
  • B
    $x=0, x=1$ only
  • C
    $x \in(-5,0) \cup(1, \infty)$
  • D
    $x \in[0,1]$

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