Algebra Archive: Questions from November 14, 2023
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A = 4 -4 5 10 and B = (a) Find AB if possible. C 34 2 4 (b) Find BA if possible. (c) Find A if possible. (Hint: 4 = 4.4.)
\[ A=\left[\begin{array}{cc} 4 & -4 \\ 5 & 10 \end{array}\right] \text { and } B=\left[\begin{array}{ll} 3 & 4 \\ 2 & 4 \end{array}\right] \] (a) Find \( A B \) if possible. (b) Find \( B A \) if poss1 answer -
A = 3 2 6 B = commu 2 9 8 -3 W -2 -4 2 5 3 - POSTARE (a) Find AB if possible. (b) Find BA if possible. (c) Find 4² if possible. (Hint:4² = 4-4)
\[ A=\left[\begin{array}{c} -3 \\ 2 \\ -6 \end{array}\right] \quad B=\left[\begin{array}{ccc} 2 & -3 & -2 \\ 9 & -4 & 2 \\ 8 & 5 & -3 \end{array}\right] \] (a) Find \( A B \) if possible. (b) Find \(1 answer -
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Use the graphs of \( y=f(x) \) and \( y=g(x) \) below to find the function value. \[ y=f(x) \] \[ y=g(x) \] \[ (f+g)(4) \]1 answer -
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