
First compute the first-order partial derivatives and find the critical points.


Both first order derivatives vanish at

.
Computing the Hessian, we get

We have

, which means

is an extremum of

. Since

, this extremum is a local maximum of

with a value of 21.
Answer:
1.Order the data from least to greatest.
2.Find the median.
3.Calculate the median of both the lower and upper half of the data.
4.The IQR is the difference between the upper and lower medians.
Step-by-step explanation:
Y = 0 and 12 x = <span>60
</span>12*x+2*y-(-60<span>)=0
</span>
Answer:
Below.
Step-by-step explanation:
[(x - 3)(x +3)] / [(x - 3)(x - 10)]
The x-3 cancels out.
Answer:
b
Step-by-step explanation:
3^0