The correct interpretation of the slope and y-intercept of the equation \( y = 1.50x + 20 \) is:
The slope means that, for every phone assembled, you receive $1.50. The y-intercept means that you receive $20 a day regardless of the number of phones produced.
So the first response is accurate.
- The slope (1.50) indicates the additional income earned for each phone assembled.
- The y-intercept (20) indicates the fixed daily wage you receive regardless of production.