Question

Can someone help me with a few practice questions. Ill give medals and fan you.

1.Identify the domain and range of the following relation.
{(3,7),(3,8),(3,-2),(3,4),(3,1)}
A.Domain:{3}
Range:{-2,1,4,7,8}
B.Domain:{-2,1,4,7,8}
Range:{3}
C.Domain:{all real numbers}
Range:{all real numbers}
D.Domain:O/
Range:O/

Answer 1

2.Determain whether the following relation is a function.
{(3,7),(3,8),(3,-2),(3,4),(3,1)}
A.It is a function because the order pairs all have the same x-value.
B.It is NOT a function because there are multiple y-values paired with a single x-value.
C.It is a function because none of the ordered pairs have the same y-value.
D.It is NOT a function because none of the ordered pairs have the same y-value

Answer 2

a relation is a function when there is only one output for any given input.

Answer 3

the domain is the set of input values.
the set of independent values. usually the x-values.

Answer 4

someone pleased help me with my question

Answer 5

usually the y-values.
the range from the lowest output value to the highest output value.

Answer 6

are you planning to at least read my responses?

Answer 7

i would gladly do that if you were to help me