Decide if the relation is a function and give an explanation. Then, give the domain and range

Yes , it is a function.

Step-by-step explanation:

Because all the elements of set Input has a unique element with set Output(each one of them is linked with the other set's elements.)

Domain= {2,4,3}

Range={20,30,40}

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

c

step-by-step explanation:

it would be see because your formula is f(x)=6x, so 6 times 1 is 6 and you go on and the best answer is c.