Precalculus Archive: Questions from February 19, 2023
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2 answers
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2 answers
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question 73
71-74 = Graphing Transformations The graph of a function \( f \). is given. Sketch the graphs of the following transformations of \( f \). 71. (a) \( y=f(x-2) \) (c) \( y=2 f(x) \) (b) \( y=f(x)-2 \)2 answers -
2 answers
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Verify the identity. \[ \frac{\sin (\alpha+\beta)}{-\sin (\alpha-\beta)}=\frac{\tan \alpha+\tan \beta}{\tan \beta-\tan \alpha} \]2 answers -
Find (if possible) a. \( A B \) and \( b \). \( B A \), if \( A=\left[\begin{array}{rr}-1 & 0 \\ -5 & 3 \\ 0 & -5\end{array}\right], B=\left[\begin{array}{rrr}-4 & 2 & -1 \\ 3 & 5 & -5\end{array}\righ2 answers