Question

Is relation R = {(2,2), (2,4), (3,3), (4,4), (5,8) } a function? Give reason.
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Answer 1

Answer:

-1+✓-31/4

$- b \sqrt{b {}^{2} } - 4ac \div 2a$

find it by using this formula

Step-by-step explanation:

How to Determine if a Relation is a Function?

Examine the x or input values.

Examine also the y or output values.

If all the input values are different, then the relation becomes a function, and if the values are repeated, the relation is not a function.