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A-3-0-1-5-And-f-x-5x-2-7x-8-Find-f-A-please-help-




Question Number 5892 by sanusihammed last updated on 04/Jun/16
A  =  [−3     0 ]              [    1     5 ]  And f(x) = 5x^2  − 7x + 8    Find f(A)    please help.
$${A}\:\:=\:\:\left[−\mathrm{3}\:\:\:\:\:\mathrm{0}\:\right] \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\left[\:\:\:\:\mathrm{1}\:\:\:\:\:\mathrm{5}\:\right] \\ $$$${And}\:{f}\left({x}\right)\:=\:\mathrm{5}{x}^{\mathrm{2}} \:−\:\mathrm{7}{x}\:+\:\mathrm{8} \\ $$$$ \\ $$$${Find}\:{f}\left({A}\right) \\ $$$$ \\ $$$${please}\:{help}. \\ $$

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