Given fx - 2x - 1-x - 1- Find - f4 - f3

The correct option is C 3/20 f(4) f(3) #160; = 2(4) 14 + 1 2(3) 13 + 1= 8 15 6 14 = 75 54 = 28 2520 = 320 #160; ...

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Definition of Functions

Given fx = ...

Question

Given $f (x) = \frac{2 x - 1}{x + 1}$ . Find : $f (4) - f (3)$

\frac{5}{20}

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\frac{4}{20}

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\frac{3}{20}

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none of these

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Solution

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Similar questions

f (x)

f (x) = \frac{5^{x}}{5^{x} + 5},

f (\frac{1}{20}) + f (\frac{2}{20}) + f (\frac{3}{20}) + . . . . . + f (\frac{39}{20})

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f (x)

f (x) = \frac{5^{x}}{5^{x} + 5},

f (\frac{1}{20}) + f (\frac{2}{20}) + f (\frac{3}{20}) + . . . . . + f (\frac{39}{20})

∣ ∣ ∣ ∣ \begin{matrix} 1 & 4 & 20 1 & - 2 & 5 1 & 2 x & 5 x^{2} \end{matrix} ∣ ∣ ∣ ∣ = 0

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