Please answer these:)

See below

Step-by-step explanation:

6. Look at the graph of the equation x^2+y^2=8. Give its domain and range.

7. Use algebraic means to show that x^2+y^2=8 is not a function. Explain your process.

8. Is there any value(s) of the domain of x^2+y^2=8 that passes the vertical line test? If so, name the value(s) and state whether or not the existence of this value makes this relation a function. You can use Desmos to help you explore this idea, if needed.

entering that problem on the tube might get you an answer

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step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or