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Get Full Access to Mathematics For The International Student: Mathematics Sl - 3 Edition - Chapter 22 - Problem 4
Get Full Access to Mathematics For The International Student: Mathematics Sl - 3 Edition - Chapter 22 - Problem 4

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# Pat does a lot of travelling in her car, and she keeps records on how often she fills ISBN: 9781921972089 446

## Solution for problem 4 Chapter 22

Mathematics for the International Student: Mathematics SL | 3rd Edition

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Problem 4

Pat does a lot of travelling in her car, and she keeps records on how often she fills her car with petrol. The table alongside shows the frequencies of the number of days between refills. Estimate the likelihood that: a there is a four day gap between refills b there is at least a four day gap between refills. Days betweenrefills Frequency1 372 813 484 175 66 1

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L18 - 2 Theorem (The Chain Rule): If g is diﬀerentiable at x and f is diﬀerentiable at g(x), then the composite function F = f ◦ g = f(g(x)) is diﬀerentiable and ▯ F (x)= Chain Rule (second version: rate of change) If y = f(u)ad u = g(x)aediniluci,en √ ex. Find h (x)fr h(x)= x +2 x − 3. x 5 ▯ ex. If f(x)=( 2 e − 3x) ,ﬁ nd f (0).

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