Question

4. Is the graph representing a function or not? Put a check (V)mark (if is a function) or an (X)mark (if not) on the blank below and explain your answer.​

Answer 1

Answer:

Step-by-step explanation:

Given relation:

x

2

+

y

2

=

36

y

2

=

36

−

x

2

y

=

±

√

36

−

x

2

Since there exists two values of  

y

for a single value of  

x

therefore it is not a function as in a function, there must be only one existing value of  

y

for a single value of  

x

.