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pashok25 [27]
3 years ago
9

Let h(x) = e^(kx) + f(x),

Mathematics
1 answer:
Anestetic [448]3 years ago
3 0
\bf h(x)=e^{kx}+f(x)\implies \cfrac{dh}{dx}=ke^{kx}+f'(x)
\\\\\\
\begin{cases}
x=0\\
f'(0)=-8
\end{cases} 
h'(0)=ke^{k(0)}+(-8)\implies h'(0)=k-8
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Step-by-step explanation:

Discussion

Suppose the meal starts out as x.

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125/100 * 100/125x = 100/125 * 65.50

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Check

Tax = 5% * 52.40 = 5/100 * 52.40 = 2.62

Tip = 20%*52.40 = 20/100 * 52.40=10.48

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Total                                                  65.50  Just as it should

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