The cross-sections of f when x is fixed at x = 1 and when y is fixed at y = 2 are given below.
Determine, if possible, the sign of $$f _ { y } ( 1,3 )$$

Name: The cross-sections of f when x is fixed at x = 1 and when y is fixed at y = 2 are given below. Determine, if possible, the sign of \[f _ { y } ( 1,3 )\]
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The Answer of The cross-sections of f when x is fixed at x = 1 and when y is fixed at y = 2 are given below.
Determine, if possible, the sign of $$f _ { y } ( 1,3 )$$

The Cross-Sections of F When X Is Fixed at X fy(1,3)f _ { y } ( 1,3 )fy​(1,3)

The Cross-Sections of F When X Is Fixed at X $f _ { y } ( 1,3 )$