If $f ( x , y ) = 4 - x ^ { 2 }$

question 127

Essay

If $f ( x , y ) = 4 - x ^ { 2 }$ , find $f _ { x } ( 1,1 )$ and $f _ { y } ( 1,1 )$ and interpret these numbers as slopes. Illustrate with sketches.

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Definitions:

Retroactive Inhibition

The phenomenon where newer memories interfere with the recall of older memories.

Interference

A cognitive theory that proposes that people forget information because other information learned either before or after interferes with its retrieval.

Retroactive Interference

The phenomenon where newly acquired information interferes with the recall of previously learned information.

Proactive Interference

The phenomenon in which older memories interfere with the recall of newer memories.