What is 25% markup on $4

$5 is your answer

Step-by-step explanation:

.25 X 4 = 1

1 + 4 = 5

$1 or 1 dollar

Step-by-step explanation:

25% is the same as 1/4 so take it as 4 times 1/4 or 4 divided by 4 and just tag the dollar sign back and there is your answer

D.a relation only

Step-by-step explanation:

Relation: It is mapping between two non empty set A and B.

In relation any input value can have two or more than two output values.

Function: It is that relation in which every input value has only one output .

All function are relations but all relations are not function.

In given data

Image of 3 =4

Image of 3=3

By definition of function

It is not a function.

By definition of relation

It is a relation.

Hence, option D is true.