Answer f(t) = 7H(t) + bH(t-5) when t = 5 f(5) = 49 + 7b 15 = 49 + 7b -34 = 7b b = -34/7 Is it correct? Report Abuse
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Originally Posted by mathsforumhelp Answer f(t) = 7H(t) + bH(t-5) when t = 5 f(5) = 49 + 7b 15 = 49 + 7b -34 = 7b b = -34/7 Is it correct? Report Abuse No. Did you plug your answer back into the original equation? Remember that You should find that
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