What values of x (if any) prove that the equation below is not a function? y^2 + x^2 = 1

answer choices: Multiple, None, 0, 1, 2, 3

Provide explanations and/or computation.

If a boat travels 3 miles in 1.5 hours how far will it travel in 2 hours?

Andy is making a design using ice cream sticks that are 4 and 1/2 in long he wants this long side of his designed to be no longer than 24 inches what is the greatest number of sticks that any can use on his long side of his design

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744