Question

X={2,4,6,8}
Y={4,8,12,16,20}
R={(2,4)(4,6)(6,12)(8,16)}
Show that R is a function

Answer 1

Answer:

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Step-by-step explanation:

R is not a function since the elements of X doesnt beling to th elenents of Y

Answer 2

Step-by-step explanation:

We know that a function is the specific relation between set X and set Y in which every element of set X has only one image of set Y.

According to the definition,,

We can see that in R, Every element of set X "2,4,6,8" has only one image"4,6,12,16" respectively. Thus R is a function.

$\rule{200}2$

!!!Hope it helps!!!