In a linear function that describes a real-world situation, what part of the function corresponds to the initial value?

Question

the y-value when x=1
the y-intercept
the x-intercept
the x-value when y=1

Answer 1

In a linear function that describes a real-world situation, the part of the function that corresponds to the initial value is the y-intercept. The y-intercept represents the value of the dependent variable (usually y) when the independent variable (usually x) is zero, which often corresponds to the starting point in a real-world context.