Recall the Application About the Government of Mexico City Repainting

Multiple Choice

Recall the Application about the government of Mexico City repainting highway lane lines to transform a 4-lane highway into a 6-lane highway to answer the following question(s) .
-To increase income by $120 when the slope of the curve showing the relationship between your income and work hours is 8, how many extra hours will you need to work?

A) 8
B) 15
C) 112
D) 960