Question 2 (Essay Worth 10 points) (03.05 HC) The table below represents the velocity of a car as a function of time: Time (hour
) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the y-intercept of the function, and what does this tell you about the car? (4 points) Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) Part C: What would be the domain of the function if the velocity of the car was measured until it reached 60 miles/hour and the car does not change motion? (2 points)
We have to use the Distributive Property in this equation. By the Distributive Property, becomes Now we need to isolate x. Remember PEMDAS? Simplify the right side.