Man I think it's c, and it's definitely not d, but c b/c the two lines on BC and EF means that they are congruent
The velocity of the car at various times is given as:
Velocity at 15 seconds = f(15) = 45
Velocity at 22 seconds = f(15) = 66
Velocity at 29 seconds = f(15) = 87
Velocity at 36 seconds = f(15) = 108
We are to find the average rate of change of f(x) from x=15 to x=29, which can be written as:
Therefore, the average rate of change of function from x=15 to x=29 is 3. Since the rate of change of velocity gives us acceleration, so the acceleration of the car between 15 to 29 seconds will be 3 m/s²
Is it asking about the slope of this vertical line? if so, then the answer is "undefined". The rise is any number you want, let's say 1, and the run is 0
slope = rise/run = 1/0 = undefined
you cannot divide by zero
In four hours he would use 1.6 gallons. in 0.2 hours, he would use 0.08 gallons
total gallons would be 1.7 gallons