Express the expression as a table, as a graph, and as a mapping diagram {(-1,1),(-2 1/2),(-3 1/3),(-4 1/4)}

Question

Can someone help me out with this question.

Answer 1

Table:

 

x    |   y

_________

-4      1/4

-3      1/3

-2      1/2

-1       1

 

 

Function:

 

For each ordered pair, the x and y coordinates are negative reciprocals.

 

xy = -1

 

y = -1 / x

 

 

Mapping diagram:

 

Plot the ordered pairs in a coordinate grid.