Question

Please answer what type of graph they are too.

a.
Which relationship has a domain of all real numbers?
b.
Which relationship has a range of only positive numbers?

Answer 1

• a) C
• b) B

Explanation:

a.

Which relationship has a domain of all real numbers?

• Graphs A and B have restricted set of x- values.
• Graph C has no domain restrictions.

b.

Which relationship has a range of only positive numbers?

• Graphs A and C have both positive and negative y-values.
• Graph B has no negative or zero range.