If \( f(x)=\left\{\begin{array}{cc}3 x^{2}+12 x-1, & -1 \leq x \leq 2 \\ 37-x, & 2x \leq 3\end{a...
If \( f(x)=\left\{\begin{array}{cc}3 x^{2}+12 x-1, & -1 \leq x \leq 2 \\ 37-x, & 2x \leq 3\end{array}\right. \) then \( f(x) \) is
(a) Increasing in \( [-1,2] \)
(b) Continuous in \( [-1,3] \)
(c) Greatest at \( x=2 \)
(d) All above correct
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