It supports Web browser to show HTML and XHTML web pages, camera, access web email server (POP3, IMAP4, and SMTP). It is the initial version of Android operating system. Android versions, name, and API level Code nameĪndroid officially publish its Android version 1.0 in September 2008. The first Android version which was released under the numerical order format was Android 10. Google announced in August 2019 that they were ending the confectionery scheme, and they use numerical ordering for future Android versions. The first Android mobile was publicly released with Android 1.0 of the T-Mobile G1 (aka HTC Dream) in October 2008. The beta version of Android OS was released on November 5, 2007, while the software development kit (SDK) was released on November 12, 2007. Later on, it was purchased by Google in 2005.
The function \(r\) is composite, with inner function \(g(x) = \tan(x)\) and outer function \(f (x) = x^2\).The development of the Android operating system was started in 2003 by Android, Inc. To see what we mean by this, consider the function
If \(C\) is a composite function defined by an outer function \(f\) and an inner function \(g\), then \(C'\) is given by the derivative of the outer function, evaluated at the inner function, times the derivative of the inner function.Īt least initially in working particular examples requiring the chain rule, it can also be helpful to clearly identify the inner function \(g\) and outer function \(f\), compute their derivatives individually, and then put all of the pieces together to generate the derivative of the overall composite function. \]Īs with the product and quotient rules, it is often helpful to think verbally about what the chain rule says:
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