MCQ
For linear programming problem, the objective function is $Z=3 x+2 y$. If the comer points of the bounded feasible region are $(12,0),(4,2)$. $(1,5)$ and $(1,10)$, then the maximum value of $Z$ is ____________ .
- ✓36
- B46
- C13
- D56
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$(I)$ The curve $y=f(x)$ intersects the $x$-axis exactly at one point
$(II)$ The curve $y=f(x)$ intersects the $x$-axis at $\mathrm{x}=\cos \frac{\pi}{12}$
Then