The time it takes to travel a certain distance varies inversely with the rate of speed. It takes 8 hours to travel a certain distance at 36 miles per hour. a. What is the constant of variation? b. Find the time it will take to travel the same distance at 60 miles per hour.

Q: Pritz and Jervy leave Coffee World at the same time and head for their respective homes. Pritz uses…

A: We will draw the figure and then find relation between x,y,r . Then use derivative to find relation…

Q: 3. Let b vary directly as a. If b = 80 when a = 20, what is the equation of variation?

A:

Q: At a gas station, gas costs $1.35/L. What is the rate of change?

A: Consider the given information. The gas cost is $1.35/L. This implies that the cost of 1-liter gas…

Q: Identify the constant of variation and equation for the inverse variation. {(1,9), (-1,-9),…

A: According to the problem

Q: The quantity a varies directly with d and inversely with b and c When d= -10, b 5, and C = 8, a 2.…

A:

Q: Find a direct variation model that relates y and x. x = 2, y = 24

A: If x and y are related by an equation of the form y=kxn  the relationship is direct variation and y…

Exponential Growth Model

The relation that represents an exponential function is: