CK-12-Pre-Calculus Concepts

(Marvins-Underground-K-12) #1

14.9. Area Under a Curve http://www.ck12.org



  1. Describe what is happening with the car. In particular, what is happening in the first 3 seconds?

  2. How far did the car travel in 5 seconds?
    The following graph shows the functionf(x) =−(x− 4 )^2 +16, which represents the rate (in feet per second) vs.
    time (in seconds) for a runner.

  3. Describe what is happening with the runner. In particular, what happens after 4 seconds?

  4. Use rectangles to approximate the total distance (in feet) that the runner traveled in the 8 seconds. Try to get as
    good an approximation as possible.

  5. Explain how an integral is like the opposite of a derivative.

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