Let $f ( x , y ) = x ^ { 2 } + y ^ { 2 }$

question 38

Essay

Let $f ( x , y ) = x ^ { 2 } + y ^ { 2 }$ .(a) Sketch the intersection of $z = f ( x , y )$ and $z = 1$ in the $x y$ -plane.(b) Sketch the intersection of $z = f ( x , y )$ and $x = 1$ in the $x y$ -plane.(c) Sketch the intersection of $z = f ( x , y )$ and $y = 1$ in the $x y$ -plane.(d) Sketch the graph of $z = f ( x , y )$ in $\mathbb { R } ^ { 3 }$ .

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Definitions:

Predetermined Overhead

An estimated rate used to allocate overhead costs to products or services based on expected activities and costs.

Direct Materials

Materials that can be directly linked to the production process and form a fundamental component of the final product.

Direct Labor-Hours

The cumulative hours that employees actively participating in manufacturing processes have worked.

Predetermined Overhead

An estimated rate used in manufacturing to allocate overhead costs to products or services based on a certain activity measure.