Question

What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?


A.
{6, 8}


B.
{2, 4, 6, 8}


C.
{1, 2, 3, 4, 6, 8}


D.
{1, 2, 3, 4}

What is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}?


A.


{2, 4, 6, 8}


B.


{1, 2, 3, 4}


C.


{1, 2, 3, 4, 6, 8}


D.


{6, 8}

Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28?



A.4/3




B.140/3




C.
16


D.
12

Answer 1

show me a small explanation of how you got the answers please.

Answer 2

since,
(x,y) = (domain , range )
now tell me what are the domain in this function

Answer 3

what does domain mean agine

Answer 4

brb