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Find the formula for the inverse of {eq}f {/eq}. {eq}g\left( x \right) = {\log _5}\left( {x + 3} \right) {/eq} Base Change Property and Inverse Formula: Whenever we'll replace the variables of a logarithmic function with each other (such as {...
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Find the expected value E(X) of the following data. Round your answer to one decimal place. x-2-1012 p(X = x) 0.1 0.1 0.2 0.2 0.4 Expectation The expectation is a mathematical terminology known by another name as 'mean' or 'average'. It is computed with ...
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I use reduceRight to does the job instead. function findLastIndex(array, fn) { if (!array) return -1; if (!fn || typeof fn !== "function") throw `${fn} is not a function`; return array.reduceRight((prev, currentValue, currentIndex) => { if (prev > -1) return prev; if (...
Find the reference angle for 13 pi/5. Find the reference angle for the given angle. -0.8 pi Find the reference angle of -\frac{7\pi}{6}. (Simplify the answer. Type an exact answer, using \pi as needed.) Use the reference angle to find the exact value of the expression. tan (33...
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-5 I/O 错误. 具有所示意义的操作系统错误码不预期地传回给数据库服务器. 查阅可能提供 更多信息的其他操作系统错误讯息. 特别要尝试判断是什么设备造成此错误, 以及此设备是否持用了数据库或一些其他种类的档案. -6 没有这样的设备或地址. 具有所示意义的操作系统错误码不预期地传回给数据库服务器. 这可能...
Asked 4 years, 2 months ago Modified 4 years, 2 months ago Viewed 125 times Part of R Language Collective Report this ad 1 I have a large data frame and I need a function to automate this search. Basically I want to find how many observations are between the first o...