Use the vertical line test to determine if \( y \) is a function of \( x \) in the graph. Which of the following statements is correct? \( y \) is a function of \( x \) \( y \) is not a function of \( x \)

To determine whether \( y \) is a function of \( x \) using the vertical line test, simply imagine drawing vertical lines through the graph at any point along the \( x \)-axis. If a vertical line crosses the graph at more than one point, then \( y \) is not a function of \( x \). If it crosses only once, then \( y \) is indeed a function of \( x \). So remember, the secret to the vertical line test is all about those straight-up-and-down lines! Just one intersection means function, while multiple raindrops from the same cloud signal a no-go for functions!