In the equation "y = mx + b" which of the following statements is true?

Group of answer choices

y is the output, x is the input, m is the slope and b is the y-intercept

x is the output, y is the input, m is the slope and b is the y-intercept

y is the output, x is the input, b is the slope and m is the y-intercept

y is the output, b is the input, x is the slope and m is the y-intercept